| Entries |
| Document | Title | Date |
|---|
| 20080252179 | Piezoelectric Element and Method for Manufacturing the Piezoelectric Element - A piezoelectric element includes a piezoelectric ceramic body containing an internal electrode. The piezoelectric ceramic body is mainly made of a perovskite complex oxide containing an alkali metal niobate-based compound containing at least one element selected from among K, Li, and Na. The internal electrode is made of a base metal material, such as Ni or Cu. The piezoelectric element is produced by co-sintering the internal electrode and the piezoelectric ceramic body. Thus, there is provided an inexpensive piezoelectric element that can be properly used in practice even though it has been fired in a reducing atmosphere. | 10-16-2008 |
| 20080284287 | Ultrasonic Transducer Device and Ultrasonic Wave Probe Using Same - The present invention provides an ultrasonic transducer device to send and receive ultrasonic waves, comprising a semiconductor substrate, a lower electrode disposed on the semiconductor substrate, a gap disposed on the lower electrode, a third insulation film disposed on the gap, an upper electrode disposed on the third insulation film, a fourth insulation film disposed on the upper electrode, a wiring layer disposed on the fourth insulation film, and a fifth insulation film disposed on the wiring layer. The upper electrode is electrically connected to the wiring layer with penetrating wires. | 11-20-2008 |
| 20080297006 | Piezoelectric actuator and method of producing the same - A piezoelectric actuator having a bottom electrode attached to a membrane, a piezoelectric layer on the bottom electrode, and a top electrode formed on the piezoelectric layer, wherein the bottom electrode extends substantially over the entire bottom surface of the piezoelectric layer, and at least a peripheral portion of a top surface of the piezoelectric layer and side faces of that layer are covered with an insulating layer, and wherein in the peripheral portion of the top surface of the piezoelectric layer the top electrode is superposed on the insulating layer. | 12-04-2008 |
| 20080297007 | PIEZOELECTRIC VIBRATOR AND FABRICATING METHOD THEREOF - The present invention relates to piezoelectric vibrators such as a resonator used as a timing element, discriminator, filter or the like, and fabricating methods thereof. The piezoelectric vibrators of the present invention may be fabricated by forming a piezoelectric body of piezoelectric sheets, of which the thickness is controlled, and simultaneously sintering the sheets along with cover layers, on which grooves are formed. Also, the piezoelectric vibrator of the present invention is fabricated by laminating the piezoelectric sheets, of which the thickness is controlled, providing internal electrodes between the sheets, and forming external electrodes insulated from the internal electrodes. | 12-04-2008 |
| 20090066194 | QUARTZ PIECE AND OSCILLATOR | 03-12-2009 |
| 20090079302 | Methods of Contacting the Top Layer of a BAW Resonator - Methods of contacting the top layer in a BAW device by depositing a metal layer over the BAW device, patterning the metal layer so that the metal layer extends over and contacts the top electrode layer of the BAW device only at a plurality of spaced apart locations adjacent the periphery of the active resonator area, and has a common region laterally displaced from the top and bottom electrodes and electrically interconnecting the parts of the metal layer extending over and contacting the top electrode of the BAW device at the plurality of spaced apart locations. | 03-26-2009 |
| 20090085444 | Dielectric elastomer fiber transducers - Disclosed are electroactive polymer fibers, processes of preparing electroactive polymer fibers, and devices containing electroactive polymer fibers. Devices can be used as actuators and sensors, generators and transducers. Applications include inter alia artificial muscles, prosthetics and robotics. | 04-02-2009 |
| 20090085445 | PEROVSKITE-OXIDE LAMINATION, PIEZOELECTRIC DEVICE, AND LIQUID DISCHARGE DEVICE - A perovskite-oxide lamination constituted by a substrate and one or tore first films of a first oxide of a perovskite type and one or more second films of a second oxide which are alternately formed over the substrate. The first oxide has a composition expressed as ABO | 04-02-2009 |
| 20090152997 | Piezoelectric Resonant Element and Piezoelectric Resonator Using the Same - There is provided a piezoelectric resonant element having excellent electrical characteristics in which spurious is suppressed. The piezoelectric resonant element ( | 06-18-2009 |
| 20090152998 | MICRORESONATOR - A microresonator comprising a single-crystal silicon resonant element and at least one activation electrode placed close to the resonant element, in which the resonant element is placed in an opening of a semiconductor layer covering a substrate, the activation electrode being formed in the semiconductor layer and being level at the opening. | 06-18-2009 |
| 20090179526 | Monolithic Bending Element - A method for producing a component as monolithic multilayer element or multilayer bending element, comprising at least two layer stacks each having 1-400 layers of piezoelectrically active material which are separated by at least one layer stack comprising 0-100 layers of piezoelectrically inactive material, wherein the inner electrodes of the active layer stacks contain at least the following materials: a) pure silver b) electrically non-conductive material having a proportion by weight of 0% to at most 30% and the material of the piezoelectrically active layers has a sufficient activity in a thermal process such that sintering below the melting point of the material of the inner electrodes is possible and performed. | 07-16-2009 |
| 20090189491 | PIEZOELECTRIC VIBRATING REED, PIEZOELECTRIC VIBRATOR, OSCILLATOR, ELECTRONIC DEVICE, WAVE CLOCK, AND MANUFACTURING METHOD OF PIEZOELECTRIC VIBRATING REED - A piezoelectric vibrating reed includes a piezoelectric plate having a pair of vibrating arms provided parallel to each other, a base portion to integrally fix the pair of vibrating arms at a base end side thereof, and groove portions formed on both principal surfaces of the pair of vibrating arms in a constant length from base end portions toward tip end portions of the vibrating arms, and an electrode film formed of a base metal layer and a finishing metal layer laminated on outer surfaces of the piezoelectric plate and configured to vibrate the pair of vibrating arms when a predetermined voltage is applied thereon. The finishing metal layer of the electrode film is removed either partially or entirely at least in regions from the base end portions to the tip end portions of the vibrating arms. | 07-30-2009 |
| 20090200899 | METHOD OF MANUFACTURING MICROMACHINE, AND MICROMACHINE - A method of manufacturing a micromachine in which corrosion of a structure is restrained and the micromachine are provided. The method of manufacturing a micromachine includes a first step of patterningly forming a sacrificial layer | 08-13-2009 |
| 20090200900 | Piezoelectric Oscillation Element and Piezoelectric Oscillation Component Using the Same - A piezoelectric oscillation element ( | 08-13-2009 |
| 20090206706 | PIEZOELECTRIC THIN-FILM RESONATOR - There is provided a piezoelectric thin-film resonator including a substrate, a lower electrode disposed on the substrate, a piezoelectric film disposed on the lower electrode, an upper electrode disposed on the piezoelectric film in such a manner that a portion of the upper electrode is opposed to the lower electrode, and a mass element disposed on the upper electrode in a portion of an edge of the region of the upper electrode in which the upper electrode and the lower electrode are opposed to each other. | 08-20-2009 |
| 20090267460 | PIEZOELECTRIC RESONATOR PLATE, AND PIEZOELECTRIC RESONATOR DEVICE - A piezoelectric resonator device comprises a piezoelectric resonator plate, a base for holding the piezoelectric resonator plate, a lid for hermetically enclosing the piezoelectric resonator plate held on the base, and a support member made of a brittle material for reducing external stress to the piezoelectric resonator plate. The piezoelectric resonator plate is held on the base via a support member. In this case, the base, the piezoelectric resonator plate, and the support member are bonded with each other using a base bonding member and a piezoelectric resonator plate bonding member (connection bumps) by FCB using ultrasonic waves. The base is electrically and mechanically bonded with the support member via the base bonding member in a plurality of areas of the support member using ultrasonic waves. Also, the piezoelectric resonator plate is electrically and mechanically bonded with the support member via the piezoelectric resonator plate bonding member in an area of the piezoelectric resonator plate using ultrasonic waves. | 10-29-2009 |
| 20090278424 | PIEZOELECTRIC TRANSFORMER AND METHOD FOR PRODUCTION THEREOF - A piezoelectric transformer includes an input part and an output part. The input part and the output part are mechanically connected along a path that includes an insulating part. The insulating part includes a surface with a depression. In the input part, mechanical oscillations are generated using electrical voltages, and, in the output part, the mechanical oscillations are converted to electrical fields. | 11-12-2009 |
| 20090289529 | PIEZOELECTRIC SENSOR AND METHOD FOR MANUFACTURING THE SAME - An inexpensive piezoelectric sensor where noise unlikely occurs and a method for manufacturing the same are provided. A piezoelectric body ( | 11-26-2009 |
| 20100001621 | CONTOUR RESONATOR - A contour resonator reducing fluctuation of resonance frequency due to variety of a film thickness of an excitation electrode is provided. A counter resonator includes a quartz substrate and excitation electrodes respectively formed on front and back surfaces of the quartz substrate. There is a range where a frequency sensitivity with respect to an electrode film thickness is smaller than that in related art when a ratio Fe/Fb between a contour vibration frequency Fe of the excitation electrodes and a contour vibration frequency Fb of the substrate is larger than 0.69. That is, fluctuation of the contour vibration frequency with respect to variety of the electrode film thickness can be made small substantially. | 01-07-2010 |
| 20100019625 | Multilayer Element and a Method for Producing a Multilayer Element - A ceramic multilayer element can be produced by pressing together a plurality of ceramic multilayer segments. Each multilayer segment includes a stack of a plurality of ceramic layers that are pressed together. | 01-28-2010 |
| 20100033063 | PIEZOELECTRIC THIN0FILM RESONATOR, FILTER USING THE SAME, AND DUPLEXER USING THE SAME - A piezoelectric thin film resonator includes a substrate, a lower electrode formed on the substrate, a piezoelectric film formed on the lower electrode, and an upper electrode formed on the piezoelectric film, the lower electrode and the upper electrode opposing each other through the piezoelectric film to form an opposing region, the opposing region including a space at a boundary of the opposing region. The space extends from an innerside to an outer side of the opposing region and is formed in or on the piezoelectric film. | 02-11-2010 |
| 20100038999 | PIEZOELECTRIC CERAMIC COMPOSITION AND PIEZOELECTRIC PART - A piezoelectric ceramic composition contains main components represented by a general formula of [(Pb | 02-18-2010 |
| 20100045145 | Piezoelectric component and manufacturing method thereof - An object of the present invention is to; miniaturize, increase the capacity, and reduce the price of piezoelectric components. The present invention relates to a piezoelectric component and a manufacturing method thereof, characterized in that: there are bonded and laminated at least two or more piezoelectric elements in which comb-teeth electrodes, wiring electrodes having element wirings that are arranged adjacent to the comb-teeth electrodes, and electrode terminals connected to the wiring electrodes, are formed on a principal surface of a plurality of piezoelectric substrates, while forming hollow sections between the respective piezoelectric elements; through electrodes are formed in the respective piezoelectric substrates so as to pass therethrough; the through electrodes are connected to the electrode terminals; and the piezoelectric substrates are sealed by a resin sealing layer. | 02-25-2010 |
| 20100066214 | Piezoelectric Material, Multilayer Actuator and Method for Manufacturing a Piezoelectric Component - A piezoelectric material contains a material with the molecular formula P | 03-18-2010 |
| 20100096952 | Piezoelectric Ceramic and Piezoelectric Element - The present invention provides a piezoelectric ceramic and a piezoelectric element, which have a large dynamic d | 04-22-2010 |
| 20100109486 | SURFACE DEFORMATION ELECTROACTIVE POLYMER TRANSDUCERS - Electroactive polymer transducers configured for surface mode deformation to provide thickness mode actuation. | 05-06-2010 |
| 20100123370 | PIEZOELECTRIC/ELECTROSTRICTIVE CERAMICS COMPOSITION, PIEZOELECTRIC/ELECTROSTRICTIVE CERAMICS SINTERED BODY, PIEZOELECTRIC/ELECTROSTRICTIVE ELEMENT, MANUFACTURING METHOD OF PIEZOELECTRIC/ELECTROSTRICTIVE CERAMICS COMPOSITION, AND MANUFACTURING METHOD OF PIEZOELECTRIC/ELECTROSTRICTIVE ELEMENT - [Object] To provide piezoelectric/electrostrictive ceramics and a piezoelectric/electrostrictive element with a large electric field-induced strain without performing an aging treatment. | 05-20-2010 |
| 20100133959 | PIEZOELECTRIC CERAMIC COMPOSITION AND PIEZOELECTRIC DEVICE - There are provided a piezoelectric ceramic composition that includes a bismuth layer-structured compound, which contains Na, Bi, Co and Ln (lanthanoide), as a main component and a piezoelectric ceramic composition that includes a compound, which contains Na, Bi, Ti, Co and Ln (lanthanoide) and has a Na | 06-03-2010 |
| 20100141099 | Piezoelectric thin film element - A piezoelectric thin film element includes a bottom electrode, a piezoelectric layer and a top electrode on a substrate. The piezoelectric layer includes as a main phase a perovskite-type oxide represented by (Na | 06-10-2010 |
| 20100141100 | Method of manufacturing piezoelectric oscillating pieces, piezoelectric oscillating piece, and piezoelectric resonator - Wafer-level processing of making outer peripheral ends (beveled portions) of piezoelectric oscillating pieces thinner than center portion sides is made possible easily and at low cost. A metal film which is a mask of a piezoelectric substrate and a photoresist film which is a mask of the metal film and has a pattern with which connection support portions supporting piezoelectric oscillating pieces on the piezoelectric substrate are formed are stacked on the piezoelectric substrate in this order from the substrate side, and by etching with the photoresist film and the metal film used as masks, contours of the plural piezoelectric oscillating pieces are formed in the piezoelectric substrate. Then, from a direction of through spaces (side surfaces) formed by this etching, the metal film is etched with an etching solution without peeling off the photoresist film, whereby outer peripheral sides of the metal film are removed and surfaces of outer peripheral ends of the piezoelectric oscillating pieces are exposed, and the exposed surfaces are etched with an etching solution, whereby the piezoelectric oscillating pieces are processed so that outer peripheral ends thereof become thinner than inner peripheral sides. | 06-10-2010 |
| 20100148635 | SOLID ELECTROLYTE POLYMER, POLYMER ACTUATOR USING CROSS-LINKED POLYVINYLIDENE FLUORIDE-BASED POLYMER, AND METHOD OF MANUFACTURING THE POLYMER ACTUATOR - A solid electrolyte polymer including a cross-linked polyvinylidene fluoride (PVDF)-based polymer, and a polymer actuator including the cross-linked PVDF-based polymer and an electrolytic material. | 06-17-2010 |
| 20100148636 | PIEZOELECTRIC THIN FILM RESONANT ELEMENT AND CIRCUIT COMPONENT USING THE SAME - A piezoelectric thin film resonant element includes a resonant portion having a laminate structure made up of a lower electrode, an upper electrode and a piezoelectric film arranged between these two electrodes. The lower electrode has an ellipsoidal plan-view shape and an outer circumference formed with an inclined portion inclined at an angle (about 30° for example) lying within a range of 25° through 55°. The upper electrode has an ellipsoidal plan-view shape. An additional film is provided on the upper electrode at a portion corresponding to the inclined portion of the lower electrode. | 06-17-2010 |
| 20100164330 | ACTUATOR ELEMENT - There is provided an actuator element which can be driven at low voltages, is operated stably in air and in vacuo with a quick response, exhibits a large degree of displacement and a large displacement force, has high mechanical strength including flexibility, thus giving long-term durability for repeated use, can be produced by a very simple method, can be formed into a small size because of a simple structure, and can be put into practical use in wide applications. The actuator element is comprised of an ion-conducting layer for an actuator element comprising (I) a fluorine-containing polymer having functional group and (II) an ionic liquid, in which the fluorine-containing polymer having functional group is a polymer having functional group selected from the group consisting of —OH, —COOH, —COOR, —CN, iodine atom, epoxy group and (meth)acryloyl group in a polymer side chain and/or at an end of a polymer trunk chain, and an electrode layer comprising (I) the fluorine-containing polymer having functional group, (II) an ionic liquid and (III) an electroconductive nano-filler. | 07-01-2010 |
| 20100187953 | PIEZOELECTRIC/ELECTROSTRICTIVE ELEMENT AND MANUFACTURING METHOD OF THE SAME - There is disclosed a piezoelectric/electrostrictive element which can be used as a sensor, even if a piezoelectric/electrostrictive layer cracks. Provided is a piezoelectric/electrostrictive element | 07-29-2010 |
| 20100194246 | Thin-Film Bulk Acoustic Resonators Having Reduced Susceptibility to Process-Induced Material Thickness Variations - Thin-film bulk acoustic resonators include a resonator body (e.g., silicon body), a bottom electrode on the resonator body and a piezoelectric layer on the bottom electrode. At least one top electrode is also provided on the piezoelectric layer. In order to inhibit process-induced variations in material layer thicknesses from significantly affecting a desired resonant frequency of the resonator, the top and bottom electrodes are fabricated to have a combined thickness that is proportional to a target thickness of the piezoelectric layer extending between the top and bottom electrodes. | 08-05-2010 |
| 20100201228 | METHOD OF COATING - The present invention provides a method of depositing a metallic layer on to a surface of a piezoelectric substrate, which method comprises the application of cold spraying to deposit the metallic layer or layers. | 08-12-2010 |
| 20100207492 | Ceramic and method of manufacturing the same, Dielectric capacitor, semiconductor device, and element - A method of manufacturing a ceramic includes forming a film which includes a complex oxide material having an oxygen octahedral structure and a paraelectric material having a catalytic effect for the complex oxide material in a mixed state, and performing a heat treatment to the film, wherein the paraelectric material is one of a layered catalytic substance which includes Si in the constituent elements and a layered catalytic substance which includes Si and Ge in the constituent elements. The heat treatment includes sintering and post-annealing. At least the post-annealing is performed in a pressurized atmosphere including at least one of oxygen and ozone. A ceramic is a complex oxide having an oxygen octahedral structure, and has Si and Ge in the oxygen octahedral structure. | 08-19-2010 |
| 20100207493 | ELECTRO-MECHANICAL ENERGY CONVERSION DEVICES AND SYSTEMS - There are provided methods for creating energy conversion devices based on the giant flexoelectric effect in non-calamitic liquid crystals. By preparing a substance comprising at least one type of non-calamitic liquid crystal molecules and stabilizing the substance to form a mechanically flexible material, flexible conductive electrodes may be applied to the material to create an electro-mechanical energy conversion device which relies on the giant flexoelectric effect to produce electrical and/or mechanical energy that is usable in such applications as, for example, power sources, energy dissipation, sensors/transducers, and actuators. | 08-19-2010 |
| 20100207494 | PIEZOELECTRIC CERAMIC COMPOSITION AND PIEZOELECTRIC CERAMIC ELECTRONIC COMPONENT - A main component has a general formula of {(1−x)(K | 08-19-2010 |
| 20100219724 | Ceramic Material, Method for Producing the Same, and Electro-Ceramic Component Comprising the Ceramic Material - A ceramic material includes lead zirconate titanate, which additionally contains Nd and Ni. | 09-02-2010 |
| 20100225204 | PIEZOELECTRIC STACK AND METHOD FOR PRODUCING A PIEZOELECTRIC STACK - A piezoelectric stack ( | 09-09-2010 |
| 20100225205 | Piezoelectric Multilayer Component - A piezoelectric multilayer component includes a stack of piezoceramic layers and electrode layers arranged one above another. At least one piezoceramic layer is printed with a layer structured according to a predefined pattern in a piezoelectrically inactive zone of the stack. The structured layer has at least one connecting element by which piezoceramic layers that are adjacent in the stacking direction are mechanically connected to one another with a first strength. The structured layer has interspaces filled at least in part with piezoceramic material of the adjacent piezoceramic layers. The adjacent piezoceramic layers in the interspaces are mechanically connected to one another with a second strength, which is less than the first strength. | 09-09-2010 |
| 20100231096 | PIEZOELECTRIC MATERIAL, METHOD OF MANUFACTURING THE SAME, AND PIEZOELECTRIC DEVICE - Provided is a piezoelectric material having a good piezoelectric property and Curie temperature (Tc) of 150° C. or higher, and a piezoelectric device using the piezoelectric material. The piezoelectric material includes a sintered body made of a perovskite-type metal oxide represented by the following general formula (1): xBi(Mg | 09-16-2010 |
| 20100237750 | PIEZOELECTRIC THIN FILM RESONATOR, FILTER, COMMUNICATION MODULE AND COMMUNICATION DEVICE - A piezoelectric thin film resonator includes a substrate, a lower electrode provided on the substrate, a piezoelectric film provided on the lower electrode, and an upper electrode provided on the piezoelectric film. At least a portion of the upper electrode and that of the lower electrode oppose each other through the piezoelectric film, and at least a portion of the periphery of the upper electrode is reversely tapered. | 09-23-2010 |
| 20100244635 | PIEZOELECTRIC ELEMENT AND METHOD OF MANUFACTURING THE SAME - According to one embodiment, a piezoelectric element is provided by forming a first electrode film on a major surface of a substrate, forming a modified film by modifying at least a portion of the major surface of the substrate by heating the substrate in an ambient containing oxygen, and forming a piezoelectric film by depositing a piezoelectric material on the first electrode film, forming a second electrode film on the piezoelectric film, adhering a support on the second electrode film, and peeling off a multilayered structure including at least the first electrode film, the piezoelectric film, the second electrode film, and the support from the substrate. | 09-30-2010 |
| 20100259133 | ENERGY CONVERTER PRODUCED FROM FILM-FORMING AQUEOUS POLYMER DISPERSIONS, PARTICULARLY POLYURETHANE DISPERSIONS, PARTICULARLY POLYURETHANE DISPERSIONS - The present invention relates to compositions comprising aqueous polymer dispersions, particularly polyurethane dispersions, used for the production of energy converter, energy converters produced therefrom, and the use of such energy converters. | 10-14-2010 |
| 20100320877 | PIEZOELECTRIC VIBRATOR MANUFACTURING METHOD, PIEZOELECTRIC VIBRATOR, OSCILLATOR, ELECTRONIC DEVICE, AND RADIO-CONTROLLED WATCH - The piezoelectric vibrator manufacturing method of the invention is a method for manufacturing a plurality of piezoelectric vibrators in which a piezo-electric vibration member is sealed up in a cavity formed between a base substrate and a lid substrate bonded to each other, all at once by utilizing a base substrate wafer and a lid substrate wafer, and the method comprises a recess forming step of forming, in the lid substrate wafer, a plurality of cavity recesses for forming cavities when the two wafers are overlaid; a through-electrode forming step of forming a plurality of through-electrodes in and through the base substrate wafer; a routing electrode forming step of forming a plurality of routing electrodes connected electrically with the through-electrodes, on the upper face of the base substrate wafer; a mounting step of bonding the plural piezoelectric vibration members to the upper face of the base substrate wafer via the routing electrodes; an overlaying step of overlaying the base substrate wafer and the lid substrate wafer thereby to house the piezoelectric vibration members in the cavities surrounded by the recesses and the two wafers; a bonding step of bonding the base substrate wafer and the lid substrate wafer thereby to seal up the piezoelectric vibration members in the cavities; an external electrode forming step of forming a plurality of external electrodes connected electrically with the through-electrodes, on the lower face of the base substrate wafer; and a cutting step of cutting the two bonded wafers thereby to shred them into the plural piezoelectric vibrators. The through-electrode forming step includes a through-hole forming step of forming a plurality of through-holes in and through the base substrate wafer; a setting step of disposing electroconductive core members which are formed to have two flat ends and a thickness substantially equal to that of the base substrate wafer, in those plural through-holes, and disposing connection members between the core mem-bers and the through-holes; and a firing step of firing the connection members at a predetermined temperature to thereby integrally fix the through-hole, the connection member and the core member to each other. | 12-23-2010 |
| 20100327704 | Piezoelectric Actuator Unit and Method for Manufacturing the Same - A piezoelectric actuator unit which undergoes less change in the amount of displacement and shows high durability in continuous operation under a high voltage and a high pressure over a long period of time is provided. | 12-30-2010 |
| 20100327705 | PIEZOELECTRIC RESONATOR - A piezoelectric resonator includes a pair of driving electrodes and a pair of lead electrodes that are formed facing each other on the frontside and backside of a piezoelectric plate that operates in a thickness-shear vibration mode. The front and back driving electrodes are formed such that they each have one or more pairs of parallel sides and have the same shape, and their centers face each other. The parallel sides of one of the front and back driving electrodes are formed parallel with either the X-axis or the Z′-axis of the piezoelectric plate, but the parallel sides of the other driving electrodes are formed without being parallel with the X-axis and Z′-axis thereof. | 12-30-2010 |
| 20100327706 | Stacked crystal resonator - An object of the present invention is to provide a crystal resonator capable of maintaining its resonating characteristic and ensuring electrical connections between end surface electrodes using a simple method. Provided is a stacked crystal resonator including: a framed crystal plate, a frame section of which surrounds a resonating section, and to which both of these resonating section and frame section are connected by connecting sections; a first metallic film and second metallic film formed on both of the principle surfaces of the frame section of the framed crystal plate; and a base and cover stacked on both of the principle surfaces of the framed crystal plate. A crystal plate end surface electrode, which is electrically connected to the first metallic film, is electrically connected to a crystal plate auxiliary electrode; the crystal plate auxiliary electrode is electrically connected by a eutectic alloy while facing a base auxiliary electrode; the width of the frame section of one side on one end side of the framed crystal plate where the crystal plate auxiliary electrode is formed, differs from the width of the frame section of at least one other side; and a blocking film which blocks flow of the eutectic alloy to exciting electrodes, is provided on the conducting paths. | 12-30-2010 |
| 20110018402 | PIEZOELECTRIC VIBRATING REED, PIEZOELECTRIC VIBRATOR, OSCILLATOR, ELECTRONIC DEVICE, RADIO-CONTROLLED CLOCK, AND METHOD FOR MANUFACTURING PIEZOELECTRIC VIBRATING REED - Providing a piezoelectric vibrating reed which has low disconnection possibility and ensures reliability for stable operation without requiring strict exposure position accuracy. A piezoelectric vibrating reed | 01-27-2011 |
| 20110043079 | TUNING-FORK TYPE PIEZOELECTRIC RESONATOR PLATE AND TUNING-FORK TYPE PIEZOELECTRIC RESONATOR DEVICE - A tuning-fork type piezoelectric resonator plate includes: at least a plurality of leg portions serving as vibrating portions; a bonding portion bonded to the outside, and a base portion from which the leg portions and the bonding portion protrude. The plurality of leg portions protrude from a first end face of the base portion and are provided side-by-side on the first end face. The bonding portion protrude from a second end face located opposite the first end face of the base portion at a position located opposite a center position of the plurality of leg portions in a width direction of the first end face of the base portion. And, at least a base end portion of the bonding portion is used as a bond region that is bonded to the outside. | 02-24-2011 |
| 20110074253 | ACTUATOR AND METHOD OF MANUFACTURING THE SAME - Provided is an actuator which has high degree of integration and can reduce a difference of the developed force depending on a direction of displacement, and obtain a substantially uniform developed force over all directions. The actuator including a laminate which includes: a pair of electrode layers; an ion-conducting layer that is held between the pair of electrode layers; and an insulating layer that is disposed on one of the pair of electrode layers, in which the laminate forms a multilayer structure that is spirally wound around a conductive shaft, and multiple notches are formed in at least a partial region of the multilayer structure. | 03-31-2011 |
| 20110115342 | TUNING FORK QUARTZ CRYSTAL RESONATOR - A tuning fork quartz crystal resonator has a base and two resonating arms extended in parallel from the same side of the base. Each resonating arm has asymmetric grooves on its upper and bottom surface, and the via-hole to reliably connect the top and bottom electrode. The asymmetric groove design can simplify the manufacturing process and lower the manufacturing cost. The base has continuous concave on both side surfaces and a recess on the main surface. The energy of ultrasonic wave propagating via the base mounting pads into the ceramic package can be reduced. This unique tuning fork quartz crystal resonator can prevent dramatic reduction of the Q value, and retain the outstanding quality of the resonator. | 05-19-2011 |
| 20110133607 | POLYMER ACTUATOR CONTAINING GRAPHENE AND METHOD OF PREPARING THE SAME - A polymer actuator containing graphene and a method of preparing the same are provided. The polymer actuator includes an ion-conductive polymer membrane, a metal electrode disposed on both surfaces of the ion-conductive polymer membrane, and graphene dispersed within the ion-conductive polymer membrane. As the graphene is dispersed within the polymer membrane, reverse ion migration due to an osmotic pressure occurring after solvent migration caused by electrostimulation in operation of the actuator can be prevented, and thus drivability of the polymer actuator can be improved. | 06-09-2011 |
| 20110133608 | PIEZOELECTRIC CERAMIC AND PIEZOELECTRIC ELEMENT USING THE SAME - Disclosed is a piezoelectric ceramic indicated by the composition formula Bi | 06-09-2011 |
| 20110140581 | 1-D TIRE APPARATUS - Disclosed is a tire mountable apparatus and methodology for mounting devices within a tire. In certain embodiments a signal generator may be mounted to the tire to generate signals based on changes in the radius of curvature of a tire. A piezoelectric sandwich and/or a substrate is/are provided having a length and width based at least in part on tire dimensions and positioned in the tire such that the longer length dimension is positioned laterally with respect to the width of the tire. The sandwich and/or substrate is/are sized such that the width dimension provides substantially no response to changes in the circumferential radius of curvature of the tire so that the length dimension defines the primary bending direction while the width dimension provides a strain free mount for associated devices. | 06-16-2011 |
| 20110148257 | THIN FILM TUNING-FORK TYPE INFLECTION RESONATOR AND ELECTRIC SIGNAL PROCESSING ELEMENT - A compact resonator has a wide bandwidth and a small variation of the specific vibration frequency. The resonator is a thin film tuning-fork type inflection resonator in which a thin film made of a piezoelectric material is formed on a substrate on which a lower electrode is formed, and an upper electrode is formed on the piezoelectric thin film. | 06-23-2011 |
| 20110234055 | Acoustic Wave Device and Method for Manufacturing Same - An SAW device ( | 09-29-2011 |
| 20110241495 | PIEZOELECTRIC VIBRATING PIECES, PIEZOELECTRIC DEVICES, AND METHODS FOR MANUFACTURING SAME - Piezoelectric vibrating pieces are disclosed that include a base, a pair of vibrating arms, and a pair of supporting arms. The base is fabricated of piezoelectric material. The vibrating arms extend straight from the base in a designated longitudinal direction and having a first thickness. A respective supporting arm extends straight from the base and outboard of each vibrating arm in the designated longitudinal direction. Each supporting arm includes at least a respective second region that has second thickness different from the first thickness. | 10-06-2011 |
| 20110254408 | Electroactive Polymers and Articles Containing Them - An electroactive polymer device is described that includes at least one layer of a dielectric polymer that is a polymerized product of at least one ethylenically unsaturated nitrogen-containing monomer. Also disclosed is a transducer that includes the electroactive polymer as disclosed. | 10-20-2011 |
| 20110260586 | Piezoelectric Device with Tuning-fork type Piezoelectric Vibrating Piece - The piezoelectric device comprises a piezoelectric vibrating piece having a base portion, a pair of vibrating arms extending in a specified direction from the base portion, and a pair of connection portions disposed on the pair of the supporting arms; a package having a bottom surface which accommodates the piezoelectric vibrating piece and side faces surrounding the bottom surface, in which a pair of electrode pads corresponding to the connection portions are formed on the bottom surface; and adhesive for bonding the pair of the electrode pads with the pair of connection portions. One electrode pad and the other electrode pad, with adhesive applied to the electrode pads, are shifted with respect to each other in a predetermined direction. | 10-27-2011 |
| 20110291531 | Multiple Electrode Plane Wave Generator - The invention may be embodied as an ultrasonic plane wave generator having a first sheet of piezoelectric material and a second sheet of piezoelectric material. A shared electrode may be between the first sheet and the second sheet. A first electrode set may have a plurality of electrodes, and these electrodes may be positioned with respect to the first sheet to form a set of wave generators. A wave generator in this first wave generator set may include the shared electrode, the first sheet, and one of the electrodes in the first electrode set. A second electrode set may have a plurality of electrodes, and these electrodes may be positioned with respect to the second sheet to form another set of wave generators. A wave generator in this second wave generator set may include the shared electrode, the second sheet, and one of the electrodes in the second electrode set. | 12-01-2011 |
| 20120025674 | PIEZOELECTRIC POLYMER MATERIAL, PROCESS FOR PRODUCING SAME, AND PIEZOELECTRIC ELEMENT - The invention provides a piezoelectric polymer material including a helical chiral polymer having a weight average molecular weight of from 50,000 to 1,000,000 and having optical activity, the piezoelectric polymer material having a piezoelectric constant d | 02-02-2012 |
| 20120062075 | Piezoelectric Component - A piezoelectric component includes a stack of piezoelectric layers arranged one on top of the other and first and second electrode layers arranged therebetween. The stack includes at least one first piezoelectric layer having a first electrical coercive force and directly adjacent thereto at least one second piezoelectric layer having a second electrical coercive force different from the first coercive force. | 03-15-2012 |
| 20120091862 | Electrode, Microacoustic Component and Production Method for an Electrode - A microacoustic component includes an active layer and an electrode. The electrode includes a first metal layer facing the active layer, a second metal layer facing away from the active layer, and a third layer arranged between the first metal layer and the second metal layer. The third layer serves as a diffusion barrier. | 04-19-2012 |
| 20120091863 | STRUCTURE FOR BONDING METAL PLATE AND PIEZOELECTRIC BODY AND BONDING METHOD - A bonding structure that provides excellent conductivity and bonding between a piezoelectric body and a metal plate includes a metal plate and an electrode of a piezoelectric body bonded to one another with an electrically conductive adhesive so as to provide electrical conductivity, the electrically conductive adhesive includes carbon black with a nano-level average particle size, and has a paste form included in a solventless or solvent-based resin so that the carbon black forms an aggregate with an average particle size of about 1 μm to about 50 μm. The electrically conductive adhesive is applied between the metal plate and the electrode of the piezoelectric body, and the metal plate and the piezoelectric body are subjected to heating and pressurization so that the carbon black aggregate is deformed, thereby hardening the electrically conductive adhesive. | 04-19-2012 |
| 20120139392 | PIEZOELECTRIC DEVICE AND METHOD FOR MANUFACTURING THEREOF - In a piezoelectric device, a lower covering layer, a piezoelectric material layer, a lower electrode layer, and an upper electrode layer, which define common layers, and an upper covering layer, which defines a specific layer, are laminated on a substrate. The piezoelectric material layer is sandwiched between a pair of electrodes. First to third vibration regions are provided in which the electrodes are superimposed with the piezoelectric material layer therebetween when viewed in a transparent manner in the direction in which the layers are laminated. The upper covering layer includes only a portion having with a first thickness in the first vibration region, includes a portion having the first thickness and a portion having a second thickness that is smaller than the first thickness in the second vibration region, and includes only a portion having the second thickness in the third vibration region. | 06-07-2012 |
| 20120161588 | PIEZOELECTRIC CERAMIC, METHOD FOR PRODUCING SAME, AND PIEZOELECTRIC DEVICE - Disclosed is a piezoelectric ceramic which is characterized by containing [K | 06-28-2012 |
| 20120169184 | ELECTROACTIVE POLYMER MANUFACTURING - Described herein are transducers and their fabrication. The transducers convert between mechanical and electrical energy. Some transducers of the present invention include a pre-strained polymer. The pre-strain improves the conversion between electrical and mechanical energy. The present invention provides methods for fabricating electromechanical devices including one or more electroactive polymers. | 07-05-2012 |
| 20120169185 | Actuator - The invention relates to a method of making an actuator comprising a plurality of force elements and an actuator made according to the method. The method comprises providing a coupler for coupling force from the force elements to a load; calculating a transfer function for each force element wherein the transfer functions allow the force provided to the load to be predicted; determining an error functional which is indicative of any undesired dips in the predicted force; calculating the parameters of the force elements which minimise the error functional, and coupling force elements having the calculated parameters to the coupler to make the actuator. | 07-05-2012 |
| 20120194039 | ELECTROMAGNETIC CONVERTER WITH A POLYMER ELEMENT BASED ON A MIXTURE OF POLYISOCYANATE AND ISOCYANATE-FUNCTIONAL PREPOLYMER AND A COMPOUND WITH AT LEAST TWO ISOCYANATE REACTIVE HYDROXYL GROUPS - The present invention relates to an electromechanical converter, in particular an electromechanical sensor, actuator and/or generator, which comprises a polymer element obtainable from a reaction mixture comprising a polyisocyanate, a polyisocyanate prepolymer and a compound having at least two isocyanate-reactive hydroxy groups. The present invention additionally relates to a process for the production of such an electromechanical converter and to the use of a polymer element according to the invention as an electromechanical element. The present invention relates further to an electronic and/or electrical device comprising an electromechanical converter according to the invention and to the use of an electromechanical converter according to the invention in an electronic and/or electrical device. | 08-02-2012 |
| 20120200200 | METHOD OF MANUFACTURING POLYMER ELECTRODE AND POLYMER ACTUATOR EMPLOYING THE POLYMER ELECTRODE - A method of manufacturing a polymer electrode and a polymer actuator employing the polymer electrode, the method including: adhering a shadow mask onto a substrate, forming a hydrophilic electrode pattern on the substrate, coating the hydrophilic electrode pattern of the substrate with a conductive polymer water solution, removing the shadow mask, and drying the conductive polymer water solution, thus forming the polymer electrode. The method may be applied to electrodes disposed on both surfaces of a polymer deformation layer of a polymer actuator. | 08-09-2012 |
| 20120235545 | ACTUATOR - A difference is arisen in the electric potential of the electrode layer between a fixed end portion and a displacement end portion of an actuator. The electrode layer includes a bundle of polymer fibers containing a conductive material. Longitudinal directions of the polymer fibers are arranged parallel to a direction from the fixed portion to the displacement end portion of the actuator. | 09-20-2012 |
| 20120242195 | CRYSTAL DEVICE AND INSPECTION METHOD OF CRYSTAL DEVICE - A crystal device and an inspection method for inspecting the crystal device are provided. The crystal device includes: a crystal plate; excitation electrodes formed on the crystal plate; extraction electrodes extending from the excitation electrodes; electrode pads electrically connected with the extraction electrodes; a package including mounting terminals formed on a mounting surface and connection terminals formed on a bottom surface, which is on the other side of the mounting surface, and electrically connected with the mounting terminals; and an electrically-conductive adhesive agent bonding and fixing the connection terminals to the electrode pads. An bonding status inspection region, on which no metal film is formed, is formed in the crystal plate, and the bonding status inspection region is surrounded by or adjacent to the electrode pads. In addition, the bonding status inspection region occupies not more than 25% of the area of the electrode pads. | 09-27-2012 |
| 20120248945 | POLYMER BLEND COMPOSITION AND TUNABLE ACTUATORS USING THE SAME - The present invention relates to one of energy conversion devices, actuator and a dielectric layer used in the actuator. The present invention provides a polymer blend composition capable of easily controlling the ability of converting electrical energy to mechanical energy, which is prepared by blending a piezoelectric polymer with a flexible elastomeric block copolymer showing an effective miscibility therewith, and a tunable actuator using the same. | 10-04-2012 |
| 20120313489 | ELECTRONIC COMPONENT AND METHOD OF MANUFACTURING ELECTRONIC COMPONENT - An electronic component comprises an element body and an outer electrode. The element body has a pair of end faces opposing each other, a pair of main faces opposing each other while extending so as to connect the pair of end faces to each other, and a pair of side faces opposing each other while extending so as to connect the pair of main faces to each other. The outer electrode is formed on the end face side of the element body and covers a portion of the main and side faces adjacent to the end face. At least a surface of an electrode portion of the outer electrode located on the side face side thereof is covered with an insulating layer. | 12-13-2012 |
| 20120319534 | BULK ACOUSTIC RESONATOR COMPRISING NON-PIEZOELECTRIC LAYER AND BRIDGE - A bulk acoustic wave (BAW) resonator, comprises: a first electrode formed on a substrate; a piezoelectric layer formed on the first electrode; a second electrode formed on the first piezoelectric layer; a non-piezoelectric layer formed on the first electrode and adjacent to the piezoelectric layer; and a bridge formed between the non-piezoelectric layer and the first or second electrode. | 12-20-2012 |
| 20120319535 | METHODS FOR FORMING PIEZOELECTRIC ULTRASONIC TRANSDUCERS, AND ASSOCIATED APPARATUSES - Methods are provided for creating a metal or other electrically-conductive member extending from an air-backed cavity of a piezoelectric ultrasonic transducer (pMUT) apparatus defining such an air-backed cavity, through a substrate layer disposed adjacent to the transducer device of the pMUT device, and into electrically-conductive engagement with a first electrode of the pMUT device, such that the electrically-conductive member provides an electrically-conductive engagement between the first electrode and a conformal electrically-conductive layer deposited in the air-backed cavity of the pMUT device. Associated apparatuses are also provided. | 12-20-2012 |
| 20120326569 | CERAMIC ELECTRONIC COMPONENT - A ceramic electronic component includes two electronic-component main bodies and two metal terminals. Each of the metal terminals includes a base, ribs on left and right sides of the base, and a mounting portion below the base. The base includes two bonding portions to be bonded to respective external electrodes of the two electronic-component main bodies and cut-out portions each having a closed shape and being disposed below the respective bonding portions. The ribs are bent from the left and right sides of the base in the width direction toward the electronic-component main body. The ribs extend from the top of the base in the height direction to the vicinity of the mounting-side major surface of the mounting-side electronic-component main body and do not reach the mounting portion. The mounting portion is bent from the bottom of the base toward the electronic-component main body. | 12-27-2012 |
| 20130002097 | PIEZOELECTRIC ELEMENT - A laminated piezoelectric element includes a base part that is configured from a piezoelectric layer, and a laminate configured by a first internal electrode and a second internal electrode, which are alternately laminated with the piezoelectric layer interposed therebetween, and that includes a displacement part extending from the base part in a laminating direction of the first internal electrode and the second internal electrode. | 01-03-2013 |
| 20130009520 | PIEZOELECTRIC ELEMENT AND METHOD FOR MANUFACTURING PIEZOELECTRIC ELEMENT - A piezoelectric element is provided with an element body, which has a pair of principal faces opposed to each other and an end face extending in a direction in which the pair of principal faces are opposed to each other, so as to connect the pair of principal faces, and which is comprised of a piezoelectric ceramic material; a pair of electrodes arranged respectively on the pair of principal faces; and a resin covering an entire area of the end face and arranged so as to make contact with the pair of electrodes. The resin has two edges in the aforementioned direction projecting outward in the aforementioned direction from the respective electrodes. | 01-10-2013 |
| 20130009521 | QUARTZ PLATE AND QUARTZ RESONATOR IN WHICH THE QUARTZ PLATE IS USED - An AT-cut quartz plate having chamfered ridge portions and an almost rectangular shape in planar view, wherein a resonance frequency is equal to or larger than 7 MHz and equal to or smaller than 9 MHz, lengths of long and short sides of the rectangular shape are equal to or larger than 1.5 mm and equal to or smaller than 2.4 mm, and equal to or larger than a frequency difference between primary vibration and sub-vibration is equal to or larger than 975 kHz and equal to or smaller than 1,015 kHz. | 01-10-2013 |
| 20130057114 | Piezoelectric Multilayer Component and Method for Producing a Piezoelectric Multilayer Component - The invention relates to a piezoelectric multilayer component as an intermediate, which comprises a stack of piezoelectric layers arranged on top of one another. The stack comprises an active region having electrode layers arranged between the piezoelectric layers and at least one inactive region, wherein the active region on the end product of the piezoelectric multilayer component is provided for the purpose of deforming when a voltage is applied to the electrode layers. The inactive region contains at least one sacrificial layer which comprises an electrically insulating material and a metal, wherein the metal can diffuse at least partially from the sacrificial layer into the piezoelectric layers of the inactive region by heating the multilayer component. | 03-07-2013 |
| 20130063002 | CRYSTAL ELEMENT AND CRYSTAL DEVICE - A mesa-structure crystal element includes a circumferential portion having a thin thickness, a first convex portion formed on a plane in a center side from the circumferential portion and having a first height from the circumferential portion in a first principal face and a first planar shape, and a second convex portion formed in a center side from the circumferential portion and having a second height from the circumferential portion in a second principal face opposite to the first principal face and a second planar shape, wherein at least one of an area and a planar shape is different between the first planar shape of the first convex portion and the second planar shape of the second convex portion, or the first height of the first convex portion is different from the second height of the second convex portion. | 03-14-2013 |
| 20130093291 | METHOD FOR ADJUSTING PIEZOELECTRIC/ELECTROSTRICTIVE DEVICE - There is provided a method for testing a piezoelectric/electrostrictive actuator, wherein the displacement of a piezoelectric/electrostrictive actuator is estimated on the basis of the relations between one or more frequency characteristic values selected from the group consisting of the heights and areas of the peaks of the resonance waveforms and the difference of the maximum and minimum of the first order or first to higher orders of the resonance frequency characteristic values of the piezoelectric/electrostrictive actuator and the k-th order (k=1 to 4) of the first or first to higher orders of resonance frequencies. According to this piezoelectric/electrostrictive actuator testing method, a piezoelectric/electrostrictive actuator can be tested with high precision without actually driving the same as a product and without being accompanied by any disassembly/breakage. | 04-18-2013 |
| 20130127300 | PIEZOELECTRIC THIN-FILM RESONATOR AND METHOD FOR PRODUCING PIEZOELECTRIC THIN FILM - A piezoelectric thin-film resonator includes a piezoelectric thin film which includes aluminum nitride containing Sc and which has a concentration distribution such that the concentration of Sc is non-uniform in a thickness direction of the piezoelectric thin film; a first electrode; a second electrode facing the first electrode across the piezoelectric thin film; and a substrate supporting a piezoelectric vibrating section defined by the piezoelectric thin film and the first and second electrodes. | 05-23-2013 |
| 20130134837 | DISK TYPE MEMS RESONATOR - In order to provide complete removal of a sacrificial layer on a bottom surface of a disk during an etching process, without leaving residue, a disk type resonator of an electrostatic drive type includes a disk type resonator structure; a pair of drive electrodes at a predetermined gap from an outer peripheral portion of the disk type resonator structure and disposed at both sides of the resonator structure so as to face each other; a unit for applying an alternating current bias voltage with a same phase to the drive electrodes; and a detection unit that obtains an output corresponding to an electrostatic capacitance between the disk type resonator structure and the drive electrodes. The disk type resonator structure has a through hole in the center of the disk and is vibrated in a wineglass mode. | 05-30-2013 |
| 20130162108 | PIEZOELECTRIC CERAMIC AND PIEZOELECTRIC DEVICE - A piezoelectric ceramic with environmental friendliness including a composition as the main component composed of a composite oxide free from lead (Pb) as a constituent element, and with excellent piezoelectric characteristics such as the relative dielectric constant, the electromechanical coupling factor, and the piezoelectric constant, and a piezoelectric device using the piezoelectric ceramic, are provided. A piezoelectric ceramic including a composition represented by the following general formula as the main component: (K1-x-y-w-vNaxLiyBawSrv)m(Nb1-z-uTaz-Zru)O3 (wherein, x, y, z, w, v, u and m in the formula satisfy the following conditions respectively: 0.4| 06-27-2013 | |
| 20130175903 | SMALL-SIZED PIEZOELECTRIC TUNING-FORK RESONATOR - The piezoelectric resonator ( | 07-11-2013 |
| 20130193809 | PIEZOELECTRIC DEVICE AND METHOD FOR MANUFACTURING PIEZOELECTRIC DEVICE - A piezoelectric device prevents damage to a piezoelectric thin film caused by etching and the manufacturing cost of the piezoelectric device is reduced. On a surface of a support layer formed on a support substrate, an etching adjustment layer is formed. An etchant flows through etching windows to simultaneously form a through hole through which a portion of a sacrificial layer is exposed to a side of a piezoelectric thin film and an opening through which the etching adjustment layer, which is conductive with a lower electrode, is exposed to the side of the piezoelectric thin film. By making an etchant flow through the through hole, the sacrificial layer is removed. A lead-out wiring is formed between an upper electrode and a bump pad and a lead-out wiring is formed between the conductive etching adjustment layer, which is conductive with the lower electrode, and a bump pad. | 08-01-2013 |
| 20130214647 | PIEZOELECTRIC ELEMENT AND METHOD FOR MANUFACTURING THE SAME - A piezoelectric element is provided with a ceramic substrate including a first surface on which a groove is formed, and a first electrode formed on the first surface of the ceramic substrate and including a crossing part that extends over the groove. At least one void is formed between a bottom of the groove and the crossing part of the first electrode. | 08-22-2013 |
| 20130234564 | PEROVSKITE OXIDE FILM AND FERROELECTRIC FILM USING THE SAME, FERROELECTRIC DEVICE, AND METHOD FOR MANUFACTURING PEROVSKITE OXIDE FILM - A perovskite oxide film is formed on a substrate, in which the perovskite oxide film has an average film thickness of not less than 5 μm and includes a perovskite oxide represented by a general formula (P) given below: | 09-12-2013 |
| 20130241360 | MANUFACTURING METHOD FOR PIEZOELECTRIC ELEMENT AND MOTHER PIEZOELECTRIC SUBSTRATE WITH ELECTRODE - A method of manufacturing a piezoelectric element, which includes a first electrode adjacent a first main surface of a mother piezoelectric substrate and a second electrode adjacent a second main surface. During formation of the first electrode and the second electrode, cutouts are provided in the first electrode and the second electrode so that the shapes of the first electrode and the second electrode are different from each other when the mother piezoelectric substrate is inverted. | 09-19-2013 |
| 20130264912 | METHOD OF MANUFACTURING PVDF-BASED POLYMER AND METHOD OF MANUFACTURING MULTILAYERED POLYMER ACTUATOR USING THE SAME - A method of manufacturing a polyvinylidene fluoride (PVDF)-based polymer film includes: applying a solution formed by dissolving a PVDF-based polymer in a solvent, on a first substrate; forming a PVDF-based polymer film by evaporating the solvent; bonding a support film on the PVDF-based polymer film; weakening an adhesive force between the PVDF-based polymer film and the first substrate; and separating the first substrate from the PVDF-based polymer film. | 10-10-2013 |
| 20130264913 | VIBRATOR ELEMENT, VIBRATION DEVICE AND ELECTRONIC APPARATUS - A sensor element (a vibrator element) includes a base portion; a vibrating arm extended from the base portion; a drive unit that is provided in the vibrating arm and has a first electrode layer, a second electrode layer, and a piezoelectric body layer; a wiring having a portion that is drawn from the second electrode layer and is provided along a side surface of the piezoelectric body layer; and a terminal that is provided in the base portion and is electrically connected to the second electrode layer via the wiring. | 10-10-2013 |
| 20130270966 | PIEZOELECTRIC RESONATOR WITH BUILT-IN CAPACITOR LOAD AND MANUFACTURING METHOD THEREOF - A piezoelectric resonator includes a resonator substrate having a resonating body with a thickness that is associated with a resonant frequency, a conductor disposed on the resonating body and having a body electrode, a base having a groove aligned with the body electrode and defined by a groove-defining wall, a base electrode disposed on the groove-defining wall and cooperating with the body electrode and the base to form a capacitor load, and a cap disposed on the resonator substrate in a manner that the resonator substrate is sandwiched between the cap and the base. | 10-17-2013 |
| 20130270967 | METHOD FOR FORMING AN ULTRASONIC TRANSDUCER, AND ASSOCIATED APPARATUS - A method is provided for forming a piezoelectric ultrasonic transducer apparatus having a first electrode deposited on a dielectric layer disposed on a primary substrate. A piezoelectric material is deposited between the first electrode and a second electrode, to form a transducer device. At least the piezoelectric material is patterned such that a portion of the first electrode extends laterally outward therefrom. The primary substrate and the dielectric layer are etched to form a first via extending to the laterally outward portion of the first electrode, and a first conductive material is deposited to substantially fill the first via and form an electrically-conductive engagement with the laterally outward portion of the first electrode. The primary substrate is etched to define a second via extending therethrough, wherein the second via is laterally spaced apart from the first via. An associated method and apparatus are also provided. | 10-17-2013 |
| 20130328452 | RESONATOR ELEMENT, RESONATOR, ELECTRONIC DEVICE, ELECTRONIC APPARATUS, MOBILE BODY AND METHOD OF MANUFACTURING RESONATOR ELEMENT - A resonator element includes: a substrate; and an electrode that includes a first conductive layer provided on a surface of the substrate, and a second conductive layer, provided on the opposite side to the first conductive layer on the substrate side, which is disposed within an outer edge of the first conductive layer when seen in a plan view from a direction perpendicular to the surface. | 12-12-2013 |
| 20140009038 | PIEZOELETRIC CERAMIC, METHOD FOR MAKING SAME, PIEZOELECTRIC ELEMENT, LIQUID DISCHARGE HEAD, ULTRASONIC MOTOR, AND DUST CLEANER - A barium titanate piezoelectric ceramic having good piezoelectric properties and mechanical strength and a piezoelectric element that includes the ceramic are provided. A method for making a piezoelectric ceramic includes forming a compact composed of an oxide powder containing barium titanate particles, sintering the compact, and decreasing the temperature of the compact after the sintering. The sintering includes (A) increasing the temperature of the compact to a first temperature within a temperature range of a shrinking process of the compact; (B) increasing the temperature of the compact to a second temperature within a temperature range of a liquid phase sintering process of the compact after (A); (C) decreasing the temperature of the compact to a third temperature within the temperature range of the shrinking process of the compact after (B); and (D) retaining the third temperature after (C). | 01-09-2014 |
| 20140028155 | ELECTRONIC COMPONENT AND MANUFACTURING METHOD FOR THE ELECTRONIC COMPONENT - There is provided an electronic component in which sealing members are bonded with a resin adhesive and the resin adhesive rarely spreads before curing, and a manufacturing method for an electronic component in which a resin adhesive rarely spreads before curing. | 01-30-2014 |
| 20140035440 | PIEZOELECTRIC DEVICE - A piezoelectric device according to the present invention is provided with a pair of electrode films, a piezoelectric film sandwiched in between the pair of electrode films, and a stress control film which is in direct contact with a surface of at least one of the pair of electrode films, on the side where the electrode film is not in contact with the piezoelectric film, and which has a linear expansion coefficient larger than those of the relevant electrode film and the piezoelectric film. | 02-06-2014 |
| 20140035441 | VIBRATION PIECE, ELECTRONIC DEVICE AND ELECTRONIC APPARATUS - A vibration piece includes a pair of base sections which are disposed with spaces in between each other, and a pair of vibration arms which are disposed between the pair of base sections. In addition, the vibration arms, respectively have three vibration areas of a pair of end areas positioned on both ends in an extending direction and a center area positioned between the end areas. Electrode pieces straddling from the side surfaces of the vibration arms to a main surface are disposed in the areas, respectively. An average width of portions of the electrode pieces positioned on the main surface which are disposed in the end areas is greater than an average width of portions of the electrode pieces positioned on the main surface which are disposed in the center area. | 02-06-2014 |
| 20140042875 | PIEZOELECTRIC ELEMENT, PIEZOELECTRIC DEVICE AND METHOD OF MANUFACTURING PIEZOELECTRIC ELEMENT - A piezoelectric element includes a substrate, and a lower electrode layer, a piezoelectric film represented by a general formula of (Na | 02-13-2014 |
| 20140062264 | PIEZOELECTRIC ACTUATOR - A piezoelectric actuator, in particular for injectors in internal combustion engines, is provided which includes a piezoelectric module including a ceramic body and two end pieces which clamp the ceramic body axially in place, and an electrical connecting element which is secured on the piezoelectric module and which includes two contact plates leading to the ceramic body. To increase the robustness of the connecting element and to avoid fractures in the contact plates under high vibrational stresses, the contact plates are designed as one-piece metal stampings including at least partially embossed stamped edges. | 03-06-2014 |
| 20140070671 | RESONANCE APPARATUS FOR PROCESSING ELECTRICAL LOSS USING CONDUCTIVE MATERIAL AND METHOD FOR MANUFACTURING THE SAME - A resonance apparatus that processes an electrical loss using a conductive material and a method of manufacturing the resonance apparatus are provided. The resonance apparatus includes a lower electrode formed at a predetermined distance from a substrate, and a piezoelectric layer formed on the lower electrode. The resonance apparatus further includes an upper electrode formed on the piezoelectric layer, and a conductive layer formed on the upper electrode or the lower electrode. | 03-13-2014 |
| 20140084753 | Lower Electrode For Piezoelectric Element, And Piezoelectric Element Provided With Lower Electrode - In the present invention, a half-value width of a rocking curve, an average roughness of a surface, and an average grain diameter are all specified at one time with respect to a Pt layer that constitutes a lower electrode for a piezoelectric element, thereby stably film-forming the Pt layer having excellent characteristics, and stably forming, on the Pt layer, a piezoelectric thin film having excellent characteristics. | 03-27-2014 |
| 20140091677 | PIEZOELECTRIC ELEMENT - A piezoelectric element includes a substrate, a lower electrode layer, a piezoelectric layer, and an upper electrode layer. The lower electrode layer is fixed to the substrate and the piezoelectric layer is formed on the lower electrode layer. The upper electrode layer is formed on piezoelectric layer. The lower electrode layer contains pores therein and has a larger thermal expansion coefficient than the piezoelectric layer. | 04-03-2014 |
| 20140111064 | COMPOSITE DILATION MODE RESONATORS - This disclosure provides systems, methods and apparatus related to acoustic resonators that include composite transduction layers for enabling selective tuning of one or more acoustic or electromechanical properties. In one aspect, a resonator structure includes one or more first electrodes, one or more second electrodes, and a transduction layer arranged between the first and second electrodes. The transduction layer includes a plurality of constituent layers. In some implementations, the constituent layers include one or more first piezoelectric layers and one or more second piezoelectric layers. The transduction layer is configured to, responsive to signals provided to the first and second electrodes, provide at least a first mode of vibration of the transduction layer with a displacement component along the z axis and at least a second mode of vibration of the transduction layer with a displacement component along the plane of the x axis and they axis. | 04-24-2014 |
| 20140125202 | BULK ACOUSTIC WAVE (BAW) RESONATOR STRUCTURE HAVING AN ELECTRODE WITH A CANTILEVERED PORTION AND A PIEZOELECTRIC LAYER WITH MULTIPLE DOPANTS - A bulk acoustic wave (BAW) resonator, comprises: a first electrode; a second electrode comprising a plurality of sides. At least one of the sides comprises a cantilevered portion. The bulk acoustic wave (BAW) resonator also comprises a piezoelectric layer disposed between the first and second electrodes. The piezoelectric layer comprises a piezoelectric material doped with a plurality of rare earth elements, and the cantilevered portion extends above the piezoelectric layer. The bulk acoustic wave (BAW) resonator comprises a gap between the cantilevered portion and the piezoelectric layer. | 05-08-2014 |
| 20140125203 | BULK ACOUSTIC WAVE (BAW) RESONATOR STRUCTURE HAVING AN ELECTRODE WITH A CANTILEVERED PORTION AND A PIEZOELECTRIC LAYER WITH VARYING AMOUNTS OF DOPANT - A bulk acoustic wave (BAW) resonator, comprises: a first electrode; a second electrode comprising a plurality of sides. At least one of the sides comprises a cantilevered portion. The bulk acoustic wave (BAW) resonator also comprises a piezoelectric layer disposed between the first and second electrodes. The piezoelectric layer comprises a piezoelectric material doped with a plurality of rare earth elements, and the cantilevered portion extends above the piezoelectric layer. The bulk acoustic wave (BAW) resonator comprises a gap between the cantilevered portion and the piezoelectric layer. | 05-08-2014 |
| 20140125204 | PIEZOELECTRIC MATERIAL AND PRODUCTION METHOD THEREFOR - Provided is an oriented piezoelectric material with satisfactory sintering property free of Pb that is a hazardous substance, and a water-soluble alkaline ion, and a production method therefor. To this end, provided is a compound, including a tungsten bronze structure metal oxide, in which: the tungsten bronze structure metal oxide contains at least metal elements of Ba, Bi, Ca, and Nb, the metal elements satisfying the following conditions in terms of molar ratio; and has a C-axis orientation. The compound shows Ba/Nb=a: 0.363| 05-08-2014 | |
| 20140139076 | PIEZOELECTRIC ELEMENT - A piezoelectric element | 05-22-2014 |
| 20140139077 | ACOUSTIC RESONATOR STRUCTURE HAVING AN ELECTRODE WITH A CANTILEVERED PORTION - An acoustic resonator comprises a first electrode and second electrode comprising a plurality of sides. At least one of the sides of the second electrode comprises a cantilevered portion. A piezoelectric layer is disposed between the first and second electrodes. A bridge disposed adjacent to one of the sides of the second electrode. | 05-22-2014 |
| 20140167569 | ACTUATOR DEVICE AND METHOD FOR MANUFACTURING THE ACTUATOR DEVICE - An actuator device and a method for manufacturing the actuator device, which is formed by stacking and rolling films of electrostrictive material into a cylindrical body and can ensure electrical connection with inner electrodes at both end portions of the cylindrical body. The actuator device is formed by stacking and rolling two films of electrostrictive material into a cylindrical body, the two films each having an inner electrode on one or both surfaces thereof. The cylindrical body has at least one cut portion at each end portion thereof, the cut portion being configured to reach the inner electrode (electrode pattern). By applying conductive ink to each of the cut portions, the conductive ink flows through the cut portions and reaches the inner electrodes on the films. By heat-hardening the conductive ink, it is possible to ensure electrical connection between outer and inner electrodes. | 06-19-2014 |
| 20140167570 | ACTUATOR DEVICE AND MANUFACTURING METHOD FOR ACTUATOR DEVICE - An actuator device and a manufacturing method for the actuator device with which an outer electrode electrically connected to an inner electrode can be reliably formed even when using a film made of an electrostrictive material. An actuator device includes a plurality of stacked electrostrictive films each of which is made of an electrostrictive material and includes inner electrodes formed on one surface or both surfaces of the film. Lead electrodes are formed to be led out respectively from the inner electrodes toward the outside of the electrostrictive film | 06-19-2014 |
| 20140175950 | ACOUSTIC RESONATOR COMPRISING ALUMINUM SCANDIUM NITRIDE AND TEMPERATURE COMPENSATION FEATURE - An acoustic resonator structure comprises a first electrode disposed on a substrate, a piezoelectric layer disposed on the first electrode and comprising aluminum scandium nitride, a second electrode disposed on the piezoelectric layer, and a temperature compensation feature having a temperature coefficient offsetting at least a portion of a temperature coefficient of the piezoelectric layer, the first electrode, and the second electrode. | 06-26-2014 |
| 20140184028 | HYBRID RADIO FREQUENCY COMPONENT - Methods and systems may provide for a hybrid RF MEMS component design including an electrostatic actuation and a piezoelectric actuation. In one example, the method may include applying a first voltage to generate a first piezoelectric force to reduce a first gap between a cantilever and an actuation electrode, and applying a second voltage to generate an electrostatic force to create contact between the cantilever and a transmission electrode. | 07-03-2014 |
| 20140191621 | PIEZOELECTRIC COMPONENT AND METHOD FOR PRODUCING A PIEZOELECTRIC COMPONENT - A piezoelectric component ( | 07-10-2014 |
| 20140265735 | PIEZOELECTRIC VIBRATING PIECE AND PIEZOELECTRIC DEVICE - A piezoelectric vibrating piece includes a vibrator, a framing portion that surrounds the vibrator, a connecting portion that connects the vibrator and the framing portion, an excitation electrode on each of a front surface and a back surface of the vibrator, and a first extraction electrode and a second extraction electrode on the framing portion. The first extraction electrode and the second extraction electrode are electrically connected to the respective excitation electrodes. The piezoelectric vibrating piece includes a front surface and a back surface. A stepped portion is disposed on at least one of the front surface and the back surface of the piezoelectric vibrating piece. In a case where one of the first extraction electrode and the second extraction electrode is disposed across the stepped portion, another one of the first extraction electrode and the second extraction electrode is disposed to avoid crossing over the stepped portion. | 09-18-2014 |
| 20140292157 | PIEZOELECTRIC/ELECTROSTRICTIVE ELEMENT - A piezoelectric/electrostrictive element has a piezoelectric body, a first electrode, a second electrode and a glass layer. The piezoelectric body is formed in a thin film-shape. The piezoelectric body has a first main surface and a second main surface. The first electrode is disposed on the first main surface of the piezoelectric body. The first electrode has an electrode side surface configured to be connected with the first main surface. The second electrode is disposed on the second main surface of the piezoelectric body. The glass layer is continuously formed on the first main surface and the electrode side surface. The glass layer containing glass as a principal constituent. The glass layer is isolated from the side surface of the piezoelectric body. | 10-02-2014 |
| 20140292158 | LAMINATED BODY AND PIEZOELECTRIC/ELECTROSTRICTIVE ELEMENT - A laminated body has a substrate and a metallic layer. The substrate is composed of an inorganic material. The metallic layer is disposed on the substrate. One of the substrate and the metallic layer has a main body portion and a plurality of protruding portions. The protruding portions are formed on the main body portion. The protruding portions are embedded in the other of the substrate and the metallic layer. An outer diameter of each of the protruding portions is configured to decrease towards the main body portion. | 10-02-2014 |
| 20140300252 | RESONATING ELEMENT, RESONATOR, ELECTRONIC DEVICE, ELECTRONIC APPARATUS, MOVING VEHICLE AND METHOD OF MANUFACTURING RESONATING ELEMENT - A piezoelectric resonating element includes a piezoelectric substrate having a rectangular vibrating portion and a thick-walled portion, excitation electrodes and, and lead electrodes. The thick-walled portion includes a fourth thick-walled portion, a third thick-walled portion, a first thick-walled portion, and a second thick-walled portion. The third thick-walled portion includes a third slope portion and a third thick-walled body, and at least one slit is formed in the third thick-walled portion. | 10-09-2014 |
| 20140319972 | FILM STACK INCLUDING ADHESIVE LAYER - An example provides an apparatus including a substrate, a metal layer, and an adhesive layer adhered between the substrate and the metal layer, the adhesive layer comprising zinc-gallium oxide, zinc-indium oxide, zinc-gallium-tin oxide, or zinc-indium-tin oxide. | 10-30-2014 |
| 20140319973 | PIEZOELECTRIC DEVICE - In a piezoelectric device, an identification pattern provided on a main face of a piezoelectric body is covered with an electrode, so as to inhibit the identification pattern from generating particles, while the identification pattern makes the polarity of the piezoelectric device discernible by the appearance thereof. | 10-30-2014 |
| 20140319974 | Electrical Component and Method for Producing an Electrical Component - An electrical component includes a main body, a metallic contact structure, which is in direct contact with the main body, and an electrically insulating passivation layer provided with an opening. The metallic contact structure is connected to an external contact-making element through the opening. Furthermore, the external contact-making element is covered and enclosed by a flexible metal composite layer. A method for producing an electrical component is also specified. | 10-30-2014 |
| 20140333184 | NANOPOROUS PIEZOELECTRIC POLYMER FILMS FOR MECHANICAL ENERGY HARVESTING - Piezoelectric materials based on nanoporous polymer foams are provided. Also provided are nanogenerators incorporating the piezoelectric materials, piezoelectric energy harvesters incorporating the nanogenerators and methods of making and using the same. The piezoelectric materials comprise a unitary nanoporous matrix composed of a piezoelectrically active organic polymer, in which the pores are interconnected and have nanoscale diameters. | 11-13-2014 |
| 20140361666 | CRYSTAL RESONATOR, AND PRODUCTION METHOD THEREFOR - A crystal resonator includes: lower glass plates on which first electrodes are formed so as to extend from side surfaces to a bottom surface of the lower glass plates; a crystal plate which is provided over the lower glass plates and on which second electrodes to be coupled to the first electrodes are formed on a surface in contact with the lower glass plates; and an upper glass plate which is provided over the crystal plate; wherein the side surfaces of the lower glass plates on which the first electrodes are formed are provided with a protrusion that extends in parallel with a top surface and the bottom surface of the lower glass plates and that extends from one end to the other end of each of the side surfaces, and wherein the first electrodes are formed on the side surfaces that include surfaces of the protrusion. | 12-11-2014 |
| 20150015121 | PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, AND ELECTRONIC DEVICE - There is provided a piezoelectric material not containing any lead component, having stable piezoelectric characteristics in an operating temperature range, a high mechanical quality factor, and satisfactory piezoelectric characteristics. The piezoelectric material includes a main component containing a perovskite-type metal oxide that can be expressed using the following general formula (1), and subcomponents containing Mn, Li, and Bi. When the metal oxide is 100 parts by weight, the content of Mn on a metal basis is not less than 0.04 parts by weight and is not greater than 0.36 parts by weight, content α of Li on a metal basis is not less than 0.0013 parts by weight and is not greater than 0.0280 parts by weight, and content β of Bi on a metal basis is not less than 0.042 parts by weight and is not greater than 0.850 parts by weight | 01-15-2015 |
| 20150015122 | PIEZOELECTRIC/ELECTROSTRICTIVE FILM TYPE ELEMENT AND METHOD FOR PRODUCING PIEZOELECTRIC/ELECTROSTRICTIVE FILM TYPE ELEMENT - Provided is a piezoelectric/electrostrictive film type element in which the film thickness of the piezoelectric/electrostrictive film is small, the piezoelectric/electrostrictive film is dense, and the piezoelectric/electrostrictive film has good durability and insulation quality. The piezoelectric/electrostrictive film type element includes a substrate, a lower electrode film, a piezoelectric/electrostrictive film and an upper electrode film. The substrate and the lower electrode film are fixed adherently each other. The film thickness of the piezoelectric/electrostrictive film is 5 μm or less. The piezoelectric/electrostrictive film is composed of a piezoelectric/electrostrictive ceramic. The piezoelectric/electrostrictive ceramic contains lead zirconate titanate and a bismuth compound. The bismuth/lead ratio in the peripheral section inside the grain which is relatively close to the grain boundary is greater than the bismuth/lead ratio in the center section inside the grain which is relatively far from the grain boundary. | 01-15-2015 |
| 20150015123 | PIEZOELECTRIC/ELECTROSTRICTIVE FILM TYPE ELEMENT AND METHOD FOR PRODUCING PIEZOELECTRIC/ELECTROSTRICTIVE FILM TYPE ELEMENT - The piezoelectric/electrostrictive film type element includes a substrate, a lower electrode film, a piezoelectric/electrostrictive film and an upper electrode film. The substrate and the lower electrode film are fixed adherently each other. The piezoelectric/electrostrictive film and the lower electrode film are fixed adherently each other. The film thickness of the lower electrode film is 1 μm or less. The coverage of the lower electrode film is 90% or more. The piezoelectric/electrostrictive film is composed of a piezoelectric/electrostrictive ceramic. The piezoelectric/electrostrictive ceramic contains lead zirconate titanate and a bismuth compound. The bismuth/lead ratio in the peripheral section inside the grain which is relatively close to the grain boundary is greater than the bismuth/lead ratio in the center section inside the grain which is relatively far from the grain boundary. | 01-15-2015 |
| 20150028726 | PIEZOELECTRIC SHEET, PIEZOELECTRIC DEVICE INCLUDING THE SAME, AND METHOD OF FABRICATING PIEZOELECTRIC DEVICE - There is provided a piezoelectric device, including a laminated body in which a plurality of piezoelectric sheets including a first piezoelectric substance having a single crystal structure and a second piezoelectric substance having a polycrystalline structure are laminated, first and second internal electrodes interposed between the piezoelectric sheets and alternating so as to have different polarities in a laminated direction, and first and second external electrodes formed on one surface of the laminated body to be electrically connected to the first and second internal electrodes, wherein the first piezoelectric substance has an aspect ratio (d/l) of 1/8 to 1/4. | 01-29-2015 |
| 20150048721 | PIEZOELECTRIC ACTUATOR AND METHOD OF MANUFACTURING PIEZOELECTRIC ACTUATOR - A piezoelectric actuator includes one piezoelectric layer, a common electrode disposed on the lower surface of the piezoelectric layer and individual electrodes disposed on the upper surface of the piezoelectric layer. In the piezoelectric layer, a plurality of metal patterns arranged at regular intervals in the conveyance direction and in a direction orthogonal to the conveyance direction and overlapping with pressure chambers are provided substantially at the central part in the direction of the thickness. The metal patterns are not electrically continuous with each other and not electrically continuous with other parts. The metal patterns situated outermost in the conveyance direction are disposed so as to cross the edge of the pressure chamber. Some metal patterns overlap with the individual electrode and the other metal patterns do not overlap with the individual electrode. | 02-19-2015 |
| 20150048722 | Method for Making Electrical Contact With an Electronic Component in the Form of a Stack, and Electronic Component Having a Contact-Making Structure - A method is provided for making electrical contact with an electronic component in the form of a stack formed from a plurality of material layers, which react upon application of an electric field, and a plurality of electrode layers, wherein each material layer is arranged between two of the electrode layers. An insulation structure is generated on at least one stack circumferential region of the stack, which exposes each second electrode layer of the at least one stack circumferential region for electrical contact to be made. Also, a contact-making structure is applied to the at least one stack circumferential region which is provided with the insulation structure. Before the step of generating the contact-making structure, the material layers are partially removed by a material-removing method such that the electrode layers are exposed close to the surface. | 02-19-2015 |
| 20150048723 | PIEZOELECTRIC VIBRATION ELEMENT AND VIBRATION ELEMENT PACKAGE HAVING THE SAME - A piezoelectric vibration element and a vibration element package having the same are disclosed. The piezoelectric vibration element and the vibration element package having the same in accordance with the present invention includes: a vibrating piece having a first mesa portion and a second mesa portion, which are vibrated by electric signals, formed on one surface and the other surface thereof, respectively; a first excitation electrode formed on the first mesa portion and configured to transfer the electric signals to the first mesa portion; a second excitation electrode formed on the second mesa portion and configured to transfer the electric signals to the second mesa portion; a first post formed on the one surface of the vibrating piece in such a way that one end thereof connected with a lateral surface of the first mesa portion has a same height as that of the first mesa portion; a first connection electrode formed on the first post so that the electric signals supplied from outside are received and transferred to the first excitation electrode; and a second connection electrode formed on the vibrating piece so that the electric signals supplied from outside are received and transferred to the second excitation electrode. | 02-19-2015 |
| 20150061466 | ELASTIC WAVE DEVICE - An elastic wave device includes a piezoelectric substrate and an interdigital transducer electrode disposed in a piezoelectric vibrating portion of the piezoelectric substrate to pass through the piezoelectric substrate. | 03-05-2015 |
| 20150091417 | PIEZOELECTRIC CERAMICS, PIEZOELECTRIC CERAMIC COMPOSITIONS, AND PIEZOELECTRIC ELEMENTS - A piezoelectric ceramic contains as a main component an oxide which is represented by the general formula: sA1B1O | 04-02-2015 |
| 20150102708 | PIEZOELECTRIC DEVICE AND METHOD OF FABRICATING THE SAME - There is provided a piezoelectric device including: a body portion having a plurality of piezoelectric layers stacked therein; and internal electrodes disposed in the body portion with at least one of the plurality of piezoelectric layers interposed therebetween and including a shrinkage inhibitor having at least one of a flake shape and a plate shape, wherein an angle formed by an interface between the internal electrode and the piezoelectric layer on which the internal electrode and the piezoelectric layer are in contact and a long side direction of the shrinkage inhibitor is 15° or less. | 04-16-2015 |
| 20150115776 | CERAMIC ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING CERAMIC ELECTRONIC COMPONENT - A ceramic electronic component includes a ceramic body and first and second outer electrodes. The first and second outer electrodes respectively include first and second resin-containing electrode layers and first and second Ni plating layers. The first and second Ni plating layers are respectively provided on the first and second resin-containing electrode layers. When a thickness of the first or second Ni plating layer is t1 and a distance by which a portion of the first or second Ni plating layer that is in contact with the second principal surface extends in the length direction is t2, t2/t1 is less than about 1. | 04-30-2015 |
| 20150123516 | METHOD FOR PRODUCING A MULTI-LAYER COMPONENT AND MULTI-LAYER COMPONENT - A method for producing a multilayer component ( | 05-07-2015 |
| 20150137668 | CERAMIC ELECTRONIC COMPONENT AND METHOD OF MANUFACTURING CERAMIC ELECTRONIC COMPONENT - In a piezoelectric ceramic base, a contact interface in contact with an electrode has recess portions surrounded by crystal particles. An average depth T of the recess portions is preferably 1 to 10 μm, and an occupation rate of the recess portions at the contact interface is preferably 65% or more of an area ratio. | 05-21-2015 |
| 20150145380 | PIEZOELECTRIC ACTUATOR - There is provided a piezoelectric actuator including: a piezoelectric member having a multilayer structure; an external electrode formed on an outer surface of the piezoelectric member; and an intermediate electrode formed between layers of the piezoelectric members and having an area smaller than that of the external electrode. | 05-28-2015 |
| 20150145381 | QUARTZ VIBRATOR AND MANUFACTURING METHOD THEREOF - Embodiments of the present invention provide a quartz vibrator and a method for manufacturing the same. The quartz vibrator includes a quartz substrate including an exciting part having a rectangular plate and a peripheral part having a thickness smaller than that of the exciting part and formed around the exciting part, a first electrode formed on one surface of the quartz substrate and the whole surface of the exciting part, and a second electrode formed on the other surface of the quartz substrate and the whole surface of the exciting part. | 05-28-2015 |
| 20150295159 | PIEZOELECTRIC ELEMENT - A piezoelectric element includes a first electrode having a film shape and provided on a base portion, a second electrode having a film shape and opposed to the first electrode on an opposite side of the first electrode from the base portion, a piezoelectric film interposed between the first electrode and the second electrode and partially covered with the second electrode, and an insulation film covering the second electrode and the piezoelectric film with extending over at least a part of an outer edge of the second electrode. The insulation film may cover a whole of the outer edge of the second electrode without covering an inner region of the second electrode. Accordingly, a withstand voltage of the piezoelectric film can be increased. | 10-15-2015 |
| 20150333727 | MEMS Component Having AlN and Sc and Method for Manufacturing a MEMS Component - A MEMS component includes a lower electrode. The MEMS component also includes an upper electrode. The upper electrode overlies the lower electrode. The MEMS component also includes a first piezoelectric layer between the lower electrode and the upper electrode. The first piezoelectric layer has a first piezoelectric material comprising AlN and Sc. | 11-19-2015 |
| 20150340588 | ANGULAR VELOCITY SENSOR - In a piezoelectric element, a piezoelectric film, a first electrode film provided on one surface of the piezoelectric film, and a second electrode film provided on the other surface of the piezoelectric film form a layered structure, an outer contour of the first electrode film and an outer contour of the second electrode film are positioned outside an outer contour of the piezoelectric film as viewed in a layering direction, an organic resin film is in contact with the piezoelectric film, and generation of noise is suppressed. | 11-26-2015 |
| 20160006413 | TUNING FORK TYPE PIEZOELECTRIC VIBRATION PIECE AND TUNING FORK TYPE PIEZOELECTRIC VIBRATOR - A tuning fork type piezoelectric vibration piece | 01-07-2016 |
| 20160049578 | PIEZOELECTRIC CERAMIC ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING THE SAME - A piezoelectric ceramic base body that has a polyhedral shape having shape anisotropy, such as a rectangular parallelepiped shape, and which has opposed faces on which external electrodes are formed. The opposed faces have first sides and second sides. Between the first side and the second side of one of the opposed faces, a width dimension of the surface in a direction orthogonal to the first side and the second side is larger than a length dimension of each of the first and the second sides. The crystal axis is {100} oriented in a direction parallel to the first and the second sides, and a degree of orientation by a Lotgering method is 0.4 or more. | 02-18-2016 |
| 20160075835 | REACTIVE IONIC LIQUID, AND ION-IMMOBILIZED METAL OXIDE PARTICLE, ION-IMMOBILIZED ELASTOMER, AND TRANSDUCER USING SAME - An ion-immobilized metal oxide particle includes a metal oxide particle and an anion that itself includes a) a reactive group that consists of an alkoxysilyl group and b) an anionic group consisting of a carboxylate (—COO | 03-17-2016 |
| 20160087189 | MULTILAYER CERAMIC ELECTRONIC COMPONENT AND METHOD OF MANUFACTURING THE SAME - There is provided a multilayer ceramic electronic component including: a ceramic body in which internal electrodes containing a first electrode material and dielectric layers are alternately disposed; external electrodes provided on outer surfaces of the ceramic body and containing a second electrode material; and diffusion parts each disposed to be connected to one end of the internal electrode and the external electrode and containing the first electrode material and the second electrode material mixed with each other, wherein the diffusion part includes an internal diffusion portion disposed within the ceramic body and an external diffusion portion protruding outside of the ceramic body. | 03-24-2016 |
| 20160093793 | PIEZOELECTRIC COMPOSITION, PIEZOELECTRIC ELEMENT AND SPUTTERING TARGET - The present invention aims to provide a piezoelectric composition containing a composition represented by formula (5) as the main component, wherein the composition represented by formula (5) contains a first perovskite-type oxide represented by formula (1), a second perovskite-type oxide represented by formula (2), a tungsten bronze-type oxide represented by formula (3) and a third perovskite-type oxide represented by formula (4), (K | 03-31-2016 |
| 20160093794 | PIEZOELECTRIC ACTUATOR AND METHOD FOR MANUFACTURING PIEZOELECTRIC ACTUATOR - A piezoelectric actuator includes a substrate, a first electrode arranged on the substrate, a piezoelectric body stacked on the first electrode, a second electrode superimposed on a surface of the piezoelectric body on a side opposite to the first electrode, and a wiring connected to the first electrode. The first electrode has a connecting portion which is arranged to protrude from an end portion of the piezoelectric body and to which the wiring is connected, and a first conductive portion is provided so that the first conductive portion overlaps with the first electrode while extending over from an area overlapped with the end portion of the piezoelectric body up to the connecting portion of the first electrode. | 03-31-2016 |
| 20160111628 | PIEZOELECTRIC ELEMENT, METHOD FOR MANUFACTURING THE SAME, AND PIEZOELECTRIC ELEMENT-APPLIED DEVICE - A piezoelectric element has, from a substrate side, a first electrode, a piezoelectric layer containing a composite oxide of an ABO | 04-21-2016 |
| 20160163958 | FINGERPRINT SENSOR - A fingerprint sensor includes a substrate, a first electrode on the substrate, a piezoelectric layer on the first electrode, and a second electrode on the piezoelectric layer. | 06-09-2016 |
| 20170237366 | TRANSDUCER AND ELECTRONIC DEVICE | 08-17-2017 |
