Entries |
Document | Title | Date |
20080197750 | Piezoelectric Thin Film Resonator - A method of producing a polycrystalline film of a metal compound, AlN or ZnO, on a substrate with a non-zero mean tilt of the c-axis relative to the surface normal of the substrate, is disclosed. The method comprises deposition of crystallites of said compound onto the substrate that has a suitable surface for crystal growth with tilted c-axis relative to the surface normal by operating a deposition system designed for sputtering of metal atoms from a target, in a gas mixture of inert gas and nitrogen or oxygen, respectively, at a process pressure such that the mean free path of sputtered metal atoms is comparable or larger than the target to substrate distance, the geometry of the deposition system being such that there exists at least one arbitrary area on the substrate where the distribution of the depositing flux is asymmetric relative to the surface normal at that area. A piezoelectric shear wave resonator comprising the polycrystalline film, especially for use in a liquid medium for mass loading and/or viscosity measurements and/or pressure measurements, and particularly for use as a biosensor or a pressure sensor, is also described | 08-21-2008 |
20080197751 | Micro-Electro-Mechanical Transducers - A micro-electro-mechanical transducer (such as a cMUT) is disclosed. The transducer has a substrate, a top plate, and a middle spring layer therebetween. The substrate and the middle spring layer define cavities therebetween sidewalled by standing features. The middle spring layer is anchored by the standing features to create cantilevers over the cavities to enable a vertical displacement of connectors placed on the middle spring layer. The connectors define a transducing space between the middle spring layer and the top plate. The top plate is transported by the vertical displacement of the connectors in a piston-like motion to change the transducing space and to effectuate energy transformation. Various configurations of cantilevers, including single cantilevers, back-to-back double cantilevers and head-to-head double cantilevers (bridges) are possible. | 08-21-2008 |
20080224566 | MULTILAYER CONDUCTIVE ELEMENTS - An article comprises first and second electrically responsive elements having a cutting plane which is perpendicular to an x-dimension for separating the elements. The conductive elements of the conductive layers are alternatingly exposed to one of the two opposing faces of the conductive element. | 09-18-2008 |
20080303376 | DEVICES AND METHODS FOR ENERGY CONVERSION BASEDON THE GIANT FLEXOELECTRIC EFFECT IN NON-CALAMITIC LIQUID CRYSTALS - Devices and methods for energy conversion 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. The ability to directly and accurately measure the giant flexoelectric effect for different types of non-calamitic liquid crystal molecules is important for identifying molecules that may be effective for particular applications. | 12-11-2008 |
20080303377 | PIEZOELECTRIC SUBSTANCE AND PIEZOELECTRIC ELEMENT - A piezoelectric substance has a substrate, an electrode formed on the substrate, and a piezoelectric film formed on the electrode. The piezoelectric film is formed of crystals having a main phase of (Na | 12-11-2008 |
20080315717 | Piezoelectric Actuator and Method for Producing the Same - A method for producing a piezoelectric actuator has the following steps: providing a plurality of piezoelectric material layers ( | 12-25-2008 |
20090009027 | Method and apparatus to detect nanometer particles in ultra pure liquids using acoustic microcavitation - An apparatus to produce acoustic cavitation by controlling cavitation events in a liquid insonification medium utilizing a waveform to excite a transducer with a series of bipolar inharmonic tone bursts having medium recovery intervals between respective bursts so that the medium repeatedly recovers from cavitation events between bursts. The apparatus may be used to clean a semiconductor wafer, to de-coat a painted surface having, to induce a chemical reaction, and/or to provide recycled paper made from inked paper de-inked by cavitation. Cavitation events are generated using a transducer and a waveform generator, e.g., square wave tone bursts, to excite the transducer with a signal controlled in frequency, burst repetition rate, duty-cycle and/or amplitude, e.g., utilizing bursts having a frequency between 500 KHz and 10 MHz, and a duty cycle between 0.1% and 70%. | 01-08-2009 |
20090026881 | PIEZOELECTRIC FAN, METHOD OF COOLING A MICROELECTRONIC DEVICE USING SAME, AND SYSTEM CONTAINING SAME - A piezoelectric fan comprises a blade ( | 01-29-2009 |
20090026882 | OSCILLATOR BASED ON PIEZORESISTIVE RESONATORS - An oscillator circuit is described comprising a piezoresistive resonator and a phase changing devices. Oscillator circuits with piezoresistive resonators do have the advantage that they can perform self-sustaining oscillation without additional active devices as e.g. transistors since they can be used as amplifiers. Phase changing devices as capacitors, coils and further piezoresistive resonator are used in order to compensate the π/2 phase shift of the piezoresistive resonator. | 01-29-2009 |
20090079298 | MULTI-CANTILEVER MEMS SENSOR, MANUFACTURING METHOD THEREOF, SOUND SOURCE LOCALIZATION APPARATUS USING THE MULTI-CANTILEVER MEMS SENSOR, SOUND SOURCE LOCALIZATION METHOD USING THE SOUND SOURCE LOCALIZATION APPARATUS - Disclosed herein is a multi-cantilever MEMS sensor functioning as a mechanical sensor having a plurality of cantilevers, replacing a conventional DSP based sound source localization algorithm and reducing production cost when the MEMES sensor applied to mass-produced robots, a manufacturing method thereof, a sound source localization apparatus using the multi-cantilever MEMS sensor and a sound source localization method using the sound source localization apparatus. The multi-cantilever MEMS sensor comprises a plurality of cantilevers | 03-26-2009 |
20090102315 | QUARTZ CRYSTAL DEVICE - A quartz crystal device includes: a container; a crystal blank hermetically encapsulated in the container; and at least two outside terminals provided on an outer bottom surface of the container and used to surface-mount the quartz crystal device on a wiring board. Each outside terminal has a two-layer structure with a first layer provided on the outer bottom surface and a second layer provided on the first layer and having a flat surface. The second layer has a smaller plane shape than the first layer and is formed on a central part of the first layer at a distance from the perimeter of the first layer. | 04-23-2009 |
20090102316 | LAMB WAVE RESONATOR - A Lamb wave resonator includes a piezoelectric layer, and a first electrode against a first face of the piezoelectric layer. The first electrode includes fingers and a contact arm, with each finger including a first side in contact with the contact arm and two other sides parallel to one another. Portions of the piezoelectric layer are at least partially etched between the two fingers to form a recess. The fingers are spaced apart from one another by a distance W calculated according to the following equation: | 04-23-2009 |
20090108706 | FERROELECTRIC OXIDE, PROCESS FOR PRODUCING THE SAME, PIEZOELECTRIC BODY, AND PIEZOELECTRIC DEVICE - A composition of a ferroelectric oxide represented by General Formula (a) is adjusted such that the most stable crystal structures X and Y of ACO | 04-30-2009 |
20090115286 | Electrically conductive thin film formed from an ionic liquid and carbon nanotubes having a high aspect ratio, and actuator element comprising the thin film - The present invention provides an actuator exhibiting improved performance. The actuator is formed of an electrically conductive thin film formed from an ionic liquid and carbon nanotubes having an aspect ratio of not less than 10 | 05-07-2009 |
20090140604 | HARVESTING ENERGY FROM FLOWING FLUID - Electrical energy is produced at a remote or close site by converting kinetic energy from fluid flow with membranes that generates electrical energy in response to deformation by the fluid flow passing though a piezo electric medium attached to the deforming membranes. Sets of membranes define variable fluid flow restrictors that oscillate due to interaction of the force of fluid flow and Bernoulli Effect. The device can be tuned to different flow regimes in order to enhance energy conversion efficiency. Each membrane may include one or more layers of piezoelectric material separated by insulating/stiffening layers. Further, the device may be mounted in a secondary flow path such as a side package or annular tube. | 06-04-2009 |
20090140605 | COMPLEX OXIDE FILM AND METHOD FOR PRODUCING SAME, DIELECTRIC MATERIAL INCLUDING COMPLEX OXIDE FILM, PIEZOELECTRIC MATERIAL, CAPACITOR, PIEZOELECTRIC ELEMENT AND ELECTRONIC DEVICE - The invention relates to a method for a complex oxide film having a high relative dielectric constant and a thickness which can be arbitrarily controlled, which is obtained, without using any large-scale equipment, by forming a metal oxide layer containing a first metal element on substrate surface and then allowing the layer to react with a solution containing a second metal ion to thereby form a complex oxide film containing the first and second metal elements, and a production method thereof. Further, the invention relates to a dielectric material and a piezoelectric material containing the complex oxide film, a capacitor and a piezoelectric element including the material, and an electronic device comprising the element. | 06-04-2009 |
20090189482 | Piezoelectric Thin Film Device - A piezoelectric thin film device according to the present invention comprises a lower electrode, a piezoelectric thin film and an upper electrode, in which the piezoelectric thin film is formed of an alkali niobium oxide-based perovskite material expressed by (K | 07-30-2009 |
20090230815 | MICRO ELECTRO MECHANICAL SYSTEM, SEMICONDUCTOR DEVICE, AND MANUFACTURING METHOD THEREOF - The present invention provides a MEMS and a sensor having the MEMS which can be formed without a process of etching a sacrifice layer. The MEMS and the sensor having the MEMS are formed by forming an interspace using a spacer layer. In the MEMS in which an interspace is formed using a spacer layer, a process for forming a sacrifice layer and an etching process of the sacrifice layer are not required. As a result, there is no restriction on the etching time, and thus the yield can be improved. | 09-17-2009 |
20090236933 | PIEZOELECTRIC DEVICE AND METHOD OF PRODUCTION THEREOF - A piezoelectric device includes a lower electrode, a piezoelectric film and an upper electrode laminated in this order on a support. An oxide film containing a material that forms a lower electrode is formed on a side surface of the piezoelectric film. The piezoelectric device is produced such that an upper electrode and a piezoelectric film are patterned by dry-etching through a mask formed on a side of the upper electrode of the piezoelectric device member and thereafter a side surface of the patterned piezoelectric film (a film adhered to a side wall) is oxidized to form an oxide film. | 09-24-2009 |
20090267446 | PIEZOELECTRIC/ELECTROSTRICTIVE CERAMICS AND PIEZOELECTRIC/ELECTROSTRICTIVE DEVICE - The piezoelectric/electrostrictive properties and mechanical durability of a piezoelectric/electrostrictive ceramic can be improved. A piezoelectric/electrostrictive device has a laminated structure in which an electrode film, a piezoelectric/electrostrictive film, an electrode film, an piezoelectric/electrostrictive film, and an electrode film are laminated in the order mentioned on a thin portion of a substrate. The piezoelectric/electrostrictive films are ceramic films with a matrix of perovskite oxide that contains lead (Pb) as an A-site component and nickel (Ni), aluminum (Al), niobium (Nb), zirconium (Zr), and titanium (Ti) as B-site components. The piezoelectric/electrostrictive films are formed by firing as a unit the substrate that contains aluminum oxide and an intermediate coating film of perovskite oxide that contains components other than aluminum so that aluminum oxide is diffused from the substrate to the intermediate coating film. | 10-29-2009 |
20090289525 | PIEZOELECTRIC CERAMIC COMPOSITION AND PIEZOELECTRIC DEVICE - There is provided a piezoelectric ceramic composition that contains Na, Bi, Ti and Co wherein the composition ratio of Na, Bi, Ti and Co in terms of oxides thereof is in the following composition range (1): | 11-26-2009 |
20090322182 | Electromechanical Actuators - Apparatus including layer of polarizable material located between first and second electrodes. Polarizable material has block copolymeric composition including elastomeric domain blocks and conductive domain blocks. Method that includes providing layer of polarizable material having block copolymeric composition including elastomeric domain blocks and conductive domain blocks, first and second electrodes being on opposite surfaces of the layer. Method also includes applying voltage differential between electrodes, causing dimension of layer to change. | 12-31-2009 |
20100019620 | PIEZOCERAMIC MULTILAYER ACTUATOR AND METHOD FOR ITS PRODUCTION - In a piezoelectric multilayer actuator ( | 01-28-2010 |
20100141085 | IONIC POLYMER DEVICES AND METHODS OF FABRICATING THE SAME - An ionic polymer composite device and methods for fabricating the ionic polymer composite device are provided. The ionic polymer composite device includes two extended electrode layers, each extended electrode layer including at least one ionic polymer with a plurality of electrically conductive particles, and a dielectric layer including at least one sulfonated poly ether sulfone polymer or a derivative between the two extended electrode layers. | 06-10-2010 |
20100181867 | PIEZOELECTRIC VIBRATION DEVICE SYSTEM AND ELECTRONICS APPARATUS - A piezoelectric vibration device system includes a piezoelectric vibration device that performs predefined movements using the vibration of the piezoelectric element; and a control unit that controls the behavior of the piezoelectric vibration device by controlling the frequency of the piezoelectric element, where the control unit includes: a first signal generating unit that generates a fundamental frequency signal having a fundamental frequency adjacent to the mechanical resonance frequency of the piezoelectric element; a second signal generating unit that generates a variable frequency signal whose frequency periodically rises or falls; and a frequency modulator that generates a frequency modulated signal, whose frequency changes into one of three or more frequencies existing around the fundamental frequency periodically and in sequence, by executing frequency modulation using the fundamental frequency signal and the variable frequency signal, and that outputs the frequency modulated signal as a control signal for controlling the piezoelectric vibration device. | 07-22-2010 |
20100207487 | SENSOR NETWORK INCORPORATING STRETCHABLE SILICON - A sensor network is described which includes a stretchable silicon substrate, and a plurality of nodes fabricated on the stretchable silicon substrate. The nodes include at least one of an energy harvesting and storage element, a communication device, a sensing device, and a processor. The nodes are interconnected via interconnecting conductors formed in the substrate. | 08-19-2010 |
20100231088 | WAFER, WAFER POLISHING APPARATUS, WAFER POLISHING METHOD, METHOD OF FABRICATING PIEZOELECTRIC VIBRATOR, PIEZOELECTRIC VIBRATOR, OSCILLATOR, ELECTRONIC APPARATUS AND RADIOWAVE TIMEPIECE - To provide a wafer preventing a breakage of a crack or a chip off from being brought about in a polishing step and a polishing apparatus and a polishing method of polishing the wafer, there is provided a wafer in a shape of a plate substantially in an angular rectangular shape used as a raw material of a piezoelectric vibrator. All of corner portions D | 09-16-2010 |
20100289378 | INFORMATION PROCESSOR AND METHOD FOR THE PRODUCTION THEREOF - An information converter has at least two material layers having polygonal base surfaces, which are connected to each other in a shear-rigid way, wherein at least in one material layer a change of length can be induced. The polygonal base surface has at least two different interior angles. | 11-18-2010 |
20110001391 | DRIVE UNIT - A drive unit includes an ultrasonic actuator having an actuator body generating vibration, and diver elements attached to the actuator body to output drive force by generating orbit motion in response to the vibration of the actuator body; and a movable body contacting the driver elements, and relatively moving with respect to the ultrasonic actuator. In a surface of the movable body, which contacts the driver elements, smoothed portions are interleaved with recessed portions which are recessed with respect to the smoothed portions. | 01-06-2011 |
20110095648 | NONLINEAR OSCILLATOR FOR VIBRATION ENERGY HARVESTING - An oscillator apparatus and method for vibration energy harvesting includes a nonlinear oscillator (e.g. piezoelectric, magnetic or liquid oscillator) configured in association with a potential energy profile to enhance a desirable nonlinear effect with a larger displacement and a wider spectrum response. A cantilever beam associated with a vibrating structure generates a mechanical energy in response to vibration forces. A mechanical-to-electrical power converter can be coupled to the nonlinear oscillator to convert the mechanical power into an electrical power. The frequency response of the nonlinear oscillator adapts to varying ambient vibrations and auto-tunes with respect to the ambient vibration change for wireless and MEMS applications. | 04-28-2011 |
20110133598 | ELECTROMECHANICAL TRANSDUCER COMPRISING A POLYURETHANE POLYMER WITH POLYTETRAMETHYLENE GLYCOL ETHER UNITS - The present invention provides an electromechanical transducer comprising a dielectric elastomer with contact by a first electrode and a second electrode, said dielectric elastomer comprising a polyurethane polymer comprising the reaction product of A) a polyisocyanate and/or B) a polyisocyanate prepolymer with C) a compound having at least two isocyanate-reactive groups wherein the polyisocyanate prepolymer B) and/or the compound C) having at least two isocyanate-reactive groups comprise polytetramethylene glycol ether units of the formula (I): | 06-09-2011 |
20110140571 | PACKAGE MANUFACTURING METHOD, PIEZOELECTRIC VIBRATOR, AND OSCILLATOR - There is provided a package manufacturing method capable of manufacturing high-quality and high-accuracy products without requiring complicated processes. A method for manufacturing a package including a base board and a lid board bonded to each other so as to form a cavity at an inner side and penetration electrodes that electrically connect the inside of the cavity to the outside of a base board made of a glass material includes a penetration hole forming step of forming penetration holes in a base board wafer; a rivet member insertion step of inserting conductive rivet members made of a metal material into the penetration holes; a welding step of heating the base board wafer to a temperature higher than the softening point of the glass material so as to weld the base board wafer to the rivet members; and a cooling step of cooling the base board wafer. Each of the rivet members has one end of which the sectional area is larger than the other portion, and the one end is positioned in the outside of the base board. | 06-16-2011 |
20110169373 | Multi-Layer Piezoelectric Element - A multi-layer piezoelectric element of high durability wherein the internal electrodes and the external electrodes do not break even when operated continuously over a long period of time under high electric field and high pressure is provided. The first multi-layer piezoelectric element according to the present invention comprises a stack formed by stacking piezoelectric layers and internal electrodes alternately one on another and external electrodes formed on a first side face and on a second side face of the stack, wherein one of the adjacent internal electrodes is connected to the external electrode formed on the first side face and the other internal electrode is connected to the external electrode formed on the second side face, and the external electrodes include an electrically conductive material and glass and is formed from a porous electrically conductive material that has a three-dimensional mesh structure. | 07-14-2011 |
20110193448 | LAMINATED ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREFOR - A method for manufacturing a laminated electronic component in which, when first plating layers that respectively connect a plurality of internal electrodes to each other and second plating layers that improves the mountability of a laminated electronic component are formed as external terminal electrodes, the entire component main body is treated with a water repellent agent after the formation of the first plating layers, and the water repellent agent on the first plating layers is then removed before the formation of the second plating layers. The gaps between the end edges of the first plating films on the outer surface of the component main body and the outer surface of the component main body are filled with the water repellent agent. | 08-11-2011 |
20110221302 | BISMUTH IRON OXIDE POWDER, MANUFACTURING METHOD FOR THE BISMUTH IRON OXIDE POWDER, DIELECTRIC CERAMICS, PIEZOELECTRIC ELEMENT, LIQUID DISCHARGE HEAD, AND ULTRASONIC MOTOR - Provided is a lead-free dielectric ceramics having a low leakage current value, and a bismuth iron oxide powder as a raw material thereof. The bismuth iron oxide powder includes at least: (A) grains including a bismuth iron oxide having a perovskite-type crystal structure; (B) grains including a bismuth iron oxide having a crystal structure classified to a space group Pbam; and (C) grains including a bismuth iron oxide or a bismuth oxide having a crystal structure that is classified to a space group I23. The dielectric ceramics are made of bismuth iron oxide in which the bismuth iron oxide crystals having the crystal structure classified to the space group Pbam are distributed at a grain boundary of crystal grains of the bismuth iron oxide crystals having the perovskite-type crystal structure. | 09-15-2011 |
20110234044 | PIEZOELECTRIC/ELECTROSTRICTIVE CERAMIC, MANUFACTURING METHOD FOR PIEZOELECTRIC/ELECTROSTRICTIVE CERAMIC, PIEZOELECTRIC/ ELECTROSTRICTIVE ELEMENT, AND MANUFACTURING METHOD FOR PIEZOELECTRIC/ELECTROSTRICTIVE ELEMENT - Provided is a piezoelectric/electrostrictive ceramic which produces large electric-field induced strain without performing an aging treatment for a long period of time. A piezoelectric/electrostrictive ceramic sintered body in which the ratio of the number of ions at A sites to the number of ions at B sites in a perovskite structure is at least 0.94 to at most 0.99 is subjected to an oxygen heat treatment at a temperature of 600 to 1050° C. for 2 to 100 hours under an atmosphere with an oxygen partial pressure of 0.05 to 1.0 atm. | 09-29-2011 |
20110234045 | LAMINATED CERAMIC ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREFOR - In a method of forming a plating layer for an external terminal electrode by applying, for example, copper plating to an end surface of a component main body with respective ends of internal electrodes exposed, and then applying a heat treatment at a temperature of about 1000° C. or more in order to improve the adhesion strength and moisture resistance of the external terminal electrode, the plating layer may be partially melted to decrease the bonding strength of the plating layer. In the step of applying a heat treatment at a temperature of about 1000° C. or more to a component main body with plating layers formed thereon, the average rate of temperature increase from room temperature to the temperature of about 1000° C. or more is set to about 100° C./minute or more. This average rate of temperature increase maintains a moderate eutectic state in the plating layer and ensures a sufficient bonding strength of the plating layer. | 09-29-2011 |
20110234046 | PIEZOELECTRIC CERAMIC COMPOSITION, PIEZOELECTRIC ELEMENT, AND RESONATOR - Provided is a piezoelectric ceramic composition which can increase Q | 09-29-2011 |
20110241479 | CERAMIC, AND PIEZOELECTRIC/ELECTROSTRICTION ELEMENT - A ceramic having a plurality of crystal grains that contain lithium and boron, the crystal grains are arranged in a planar direction, and the crystal grains have a mutually same crystal orientation with respect to the thickness direction, | 10-06-2011 |
20110248602 | ACOUSTIC RESONATOR COMPRISING AN ELECTRET AND METHOD OF PRODUCING SAID RESONATOR, APPLICATION TO SWITCHABLE COUPLED RESONATOR FILTERS - Acoustic resonator comprising an electret, and method of producing said resonator, application to switchable coupled resonator filters. | 10-13-2011 |
20110260577 | PIEZOELECTRIC RESONATOR DEVICE AND METHOD FOR MANUFACTURING PIEZOELECTRIC RESONATOR DEVICE - A piezoelectric resonator device is provided with a piezoelectric resonator plate, and first and second sealing members that hermetically seal driving electrodes formed on the piezoelectric resonator plate. The piezoelectric resonator plate and the first sealing member are bonded together with a bonding material, and the piezoelectric resonator plate and the second sealing member are bonded together with a bonding material. Also, a multiple-surface bonding portion and a spread preventing portion are provided in at least either of a bonding area between the piezoelectric resonator plate and the first sealing member and a bonding area between the piezoelectric resonator plate and the second sealing member, the multiple-surface bonding portion allowing a bonding material to be bonded to multiple surfaces of different surface orientations, and the spread preventing portion being located on an outer side of the multiple-surface bonding portion and preventing a bonding region bonded to the bonding material from being enlarged. | 10-27-2011 |
20110273056 | METHOD FOR MANUFACTURING CERAMIC ELECTRONIC COMPONENT AND CERAMIC ELECTRONIC COMPONENT - A method for manufacturing a ceramic electronic component capable of preventing degradation of the self alignment property and product characteristics due to absorption of flux into pores of a ceramic element assembly during soldering in mounting and a ceramic electronic component. In the method, a ceramic element assembly is subjected to an oil-repellent treatment by using an oil-repellent agent containing a polyfluoropolyether compound as a primary component and hydrofluoroether as a solvent, so as to avoid absorption of the flux by the ceramic element assembly. | 11-10-2011 |
20110291522 | Ceramic Material, Method for the Production of the Ceramic Material and Component Comprising the Ceramic Material - The invention relates to a ceramic binary material and to a method for the production thereof. The material has piezoelectric properties and has a composition of the formula (1−x)(Bi | 12-01-2011 |
20110291523 | PACKAGE MANUFACTURING METHOD, PACKAGE, PIEZOELECTRIC VIBRATOR, OSCILLATOR, ELECTRONIC DEVICE AND RADIO TIMEPIECE - This package manufacturing method is a method for manufacturing a package using a rivet having a flat plate-shaped head portion and a core portion protruding from a rear surface of the head portion. The package includes: a plurality of substrates that are bonded to each other: a cavity that houses an object to be housed in an airtightly sealed state; the core portion which is disposed in a through hole that penetrates a base substrate and which electrically connects the object to be housed with the outside; and a glass frit that is filled between the through hole and the core portion and is fired to form a seal between the through hole and the core portion. The package manufacturing method includes: a rivet disposing step of inserting the core portion into the through hole until the rear surface of the head portion comes into contact with a first surface of the base substrate; a glass frit filling step of filling the glass frit in a paste form between the through hole and the core portion; and a firing step of integrally fixing the through hole, the rivet and the glass frit by firing the filled glass frit, and sealing between the through hole and the core portion. A gas relief passage, which leads from a base end of the core portion to a side surface or a front surface of the head portion, is formed on the rear surface of the head portion of the rivet. | 12-01-2011 |
20110309718 | CERAMIC ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREFOR - When an external terminal electrode of a ceramic electronic component such as a laminated ceramic capacitor is formed by plating, plating growth may be also caused even in an undesired location. The ceramic surface provided by a component main body is configured to include a high plating growth region of, for example, a barium titanate based ceramic, which exhibits relatively high plating growth, and a low plating growth region of, for example, a calcium zirconate based ceramic, which exhibits relatively low plating growth. The plating film constituting a first layer to define a base for an external terminal electrode is formed in such a way that the growth of a plated deposit deposited with conductive surfaces provided by exposed ends of internal electrodes as starting points is limited so as not to cross over a boundary between the high plating growth region and the low plating growth region toward the low plating growth region. | 12-22-2011 |
20120019099 | CERAMIC ELECTRONIC COMPONENT - A ceramic electronic component includes a ceramic base, first and second internal electrodes, and first and second external electrodes. The first external electrode is disposed at a first end portion of a first major surface in the longitudinal direction. The second external electrode is disposed at a second end portion of the first major surface in the longitudinal direction. A portion of each of the first and second external electrodes is opposed in the thickness direction to a region where the first and second internal electrodes are opposed to each other in the thickness direction. A condition ( 1/10)t | 01-26-2012 |
20120019100 | LAMINATED CERAMIC ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREFOR - In a method for manufacturing a laminated ceramic electronic component, when a plating film to define an external terminal electrode is formed by plating exposed ends of a plurality of internal electrodes at a WT surface of a component main body, ingress of a plating solution may be caused from a gap between an end edge of the plating film and the component main body to decrease the reliability of a laminated electronic component obtained. An internal dummy electrode is provided around a region where the exposed ends of the plurality of internal electrodes are distributed in the WT surface of the component main body. The internal dummy electrode includes two LW-direction sections extending parallel or substantially parallel to each other in a direction along the LW surface, and two LT-direction sections extending parallel or substantially parallel to each other in a direction along the LT surface. The plating film is formed at least over the exposed end of the internal dummy electrode. The internal dummy electrode is formed by wrapping an outer layer sheet with the internal dummy electrode formed around a laminate composed of ceramic layers and the internal electrodes. | 01-26-2012 |
20120043853 | COMPOUND HAVING PIEZOELECTRIC PROPERTY, PIEZOELECTRIC DEVICE, LIQUID DISCHARGE HEAD USING THE PIEZOELECTRIC DEVICE, AND ULTRASONIC MOTOR USING THE PIEZOELECTRIC DEVICE - A compound having a tungsten bronze structure exhibiting a high Curie temperature, good insulating resistance and mechanical quality factor, and excellent piezoelectric properties is provided. The compound contains a tungsten bronze structure oxide represented by general formula (1): | 02-23-2012 |
20120043854 | CERAMIC ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING THE SAME - A ceramic electronic component has a ceramic element assembly, external electrodes, and metal terminals. The external electrodes are arranged on the surface of the ceramic element assembly. The external electrodes contain a sintered metal. The metal terminals are electrically connected to the external electrodes, respectively. The external electrode and the metal terminal are directly diffusion-bonded by diffusion of metal in the metal terminals into the external electrodes. The above arrangement provides a ceramic electronic component having highly reliable metal particle bonding and a method for manufacturing the same. | 02-23-2012 |
20120062068 | MULTI-MODE BULK-ACOUSTIC-WAVE RESONATORS - The various embodiments of the present disclosure relate generally bulk-acoustic-wave resonators. An exemplary embodiment of the present invention provides a bulk-acoustic-wave resonator comprising an acoustic reflector, a substantially c-axis oriented hexagonal crystal structure, and a plurality of electrodes. The crystal structure is solidly-mounted to the acoustic reflector. The bulk-wave resonator resonates in at least two non-harmonically-related operational modes. | 03-15-2012 |
20120098386 | Ceramic Material, Method for Producing said Ceramic Material and Component Comprising said Ceramic Material - The invention relates to a ceramic material of the formula [(Bi | 04-26-2012 |
20120119616 | Piezoelectric Multilayer Component - A piezoelectric multilayer component includes a stack of sintered piezoelectric layers and inner electrodes that are arranged there between. A piezoelectric layer includes at least one piezoelectric film. At least one of the piezoelectric films is designed as a weakening film, wherein the thickness of the weakening film is substantially smaller than the thickness of at least one of the other piezoelectric films. | 05-17-2012 |
20120126663 | METHOD FOR PRODUCING AN ELECTROMECHANICAL CONVERTER - The present invention relates to a method for producing an electromechanical, for example piezoelectric, transducer, comprising the steps of: A) applying a monolayer of spacer elements ( | 05-24-2012 |
20120161576 | LAMINATE TYPE ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREFOR - In a method of manufacturing a laminate type electronic component, while the distance between adjacent exposed ends of a plurality of internal electrodes is adjusted preferably to be about 50 μm or less, a plurality of conductive particles composed of Pd, Pt, Cu, Au, or Ag are provided on the surface of a component main body. The conductive particles have an average particle size of about 0.1 nm to about 100 nm, which are distributed in island-shaped configurations over the entire surface of the component main body, while the average distance between the respective conductive particles is adjusted to fall within the range of about 10 nm to about 100 nm. The component main body is subjected to electrolytic plating such that plating growth develops in and around a region including the respective exposed ends of the plurality of internal electrodes. | 06-28-2012 |
20120169180 | LAMINATE TYPE ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREFOR - In a method of manufacturing a laminate type electronic component, when a heat treatment is carried out after plating films, which at least partially define external electrodes, are formed by growing plated depositions deposited on exposed ends of a plurality of internal electrodes in a component main body, the presence of the plating films may not only interfere with moisture release, but may also cause blisters or bulge defects in the plating films, while moisture such as a plating solution in the component main body is removed by evaporation. To avoid such problems, cuts to divide exposed ends into multiple sections are formed in extending sections of internal electrodes. Thus, plating films include slits extending in the stacking direction at locations corresponding to positions of the cuts. | 07-05-2012 |
20120194031 | LAMINATED CERAMIC ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREFOR - In a method of forming an external electrode by growing plated depositions on exposed ends of a plurality of internal electrodes in a component main body, the component main body is polished to increase exposure of the internal electrodes. To prevent decreased external electrode fixing strength, a radius of curvature is reduced to about 0.01 mm or less for an R chamfered section formed in a ridge section of the component main body during polishing by ion milling, and exposed ends of the internal electrodes are recessed from end surfaces of the component main body with a recess length of about 1 μm or less. Plating films to serve as external electrodes are formed to extend from the end surfaces of the component main body across the R chamfered section, and include end edges located on at least one of the principal surfaces and the side surfaces. | 08-02-2012 |
20120256521 | LAMINATED PIEZOELECTRIC MATERIAL, ULTRASOUND PROBE, AND ULTRASOUND DIAGNOSTIC APPARATUS - A laminated piezoelectric material has a four-layered piezoelectric material and electrode layers for applying a voltage to each layer of the four-layered piezoelectric material. Each piezoelectric material has an inorganic piezoelectric material with a remanent polarization in a thickness direction. The layers are laminated so that a direction of an electric field is counter to a direction of the remanent polarization in one of the layers and the direction of the electric field coincides with the direction of the remanent polarization in the other three layers, or the direction of the electric field coincides with the direction of the remanent polarization in one of the layers and the direction of the electric field is counter to the direction of remanent polarization in the other three layers, when a voltage is applied to each piezoelectric material of the four-layered piezoelectric material via electrode layers. | 10-11-2012 |
20120274178 | COMPOSITE PIEZOELECTRIC BODY, METHOD FOR PRODUCING SAID COMPOSITE PIEZOELECTRIC BODY, AND COMPOSITE PIEZOELECTRIC ELEMENT USING SAID COMPOSITE PIEZOELECTRIC BODY - [Object] There has been a need for a composite piezoelectric body and a composite piezoelectric element using the composite piezoelectric body which does not cause electrode defects, disconnection, and peeling even if the piezoelectric body is subjected to fine-pitch processing. | 11-01-2012 |
20120280593 | Solder Material for Fastening an Outer Electrode on a Piezoelectric Component and Piezoelectric Component Comprising a Solder Material - A solder material can be used for fastening an outer electrode on a piezoelectric component. The solder material contains tin as the main constituent and at least one addition from the group of cobalt, tungsten, osmium, titanium, vanadium, iron and rare earth metals. A piezoelectric component includes such a solder material. The solder material is applied by means of a base metallization. | 11-08-2012 |
20120293040 | Method for Manufacturing Piezoelectric Element and Piezoelectric Element Manufactured using same - A stress relaxing layer L | 11-22-2012 |
20120306314 | PIEZOELECTRIC THIN FILM ELEMENT, AND PIEZOELECTRIC THIN FILM DEVICE - Disclosed are a piezoelectric thin film element and a piezoelectric thin film device which have improved piezoelectric properties and high performance and can be produced in improved yields. The piezoelectric thin film element ( | 12-06-2012 |
20120313481 | Electroactive Polymer Generator for Converting Mechanical Energy into Electrical Energy - An electroactive polymer generator is configured to convert mechanical energy into electrical energy during expansion and compression of the polymer generator. The polymer generator comprises a device for detecting expansion and compression states. The device comprises at least one acceleration sensor. | 12-13-2012 |
20120313482 | METHOD OF FORMING A VDF OLIGOMER OR CO-OLIGOMER FILM ON A SUBSTRATE AND AN ELECTRICAL DEVICE COMPRISING THE VDF OLIGOMER OR CO-OLIGOMER FILM ON THE SUBSTRATE - A method of forming a vinylidene fluoride (VDF) oligomer or co-oligomer film on a substrate is disclosed. The method comprises forming a VDF oligomer or co-oligomer precursor solution; depositing the VDF oligomer or co-oligomer precursor solution onto the substrate to form a preliminary VDF oligomer or co-oligomer film on the substrate; and applying uniaxial pressure on the preliminary VDF oligomer or co-oligomer film and the substrate at an elevated temperature to form the VDF oligomer or co-oligomer film on the substrate. The substrate may comprise a metal surface which may be used as a bottom electrode and a top electrode may be deposited on the VDF oligomer or co- oligomer film The VDF oligomer or co-oligomer film, the bottom electrode on the substrate and the top electrode on the VDF oligomer or co-oligomer film form an electrical device. | 12-13-2012 |
20120326558 | LAMINATED CERAMIC ELECTRONIC COMPONENT - A laminated ceramic electronic component having excellent mechanical characteristics and internal electrode corrosion resistance, high degree of freedom in ceramic material design, low cost, and low defective rate includes a laminate having a plurality of laminated ceramic layers and a plurality of Al/Cu alloy-containing internal electrodes at specific interfaces between ceramic layers; where the Al/Cu ratio of the Al/Cu alloy is 80/20 or more. | 12-27-2012 |
20120326559 | LAMINATED CERAMIC ELECTRONIC COMPONENT - Provided is a laminated ceramic electronic component having excellent mechanical characteristics, internal electrode corrosion resistance, high degree of freedom in ceramic material design, low cost, low defective rate, and various properties. The laminated ceramic electronic component includes: a laminate which has a plurality of laminated ceramic layers and internal electrodes at a plurality of specific interfaces between the ceramic layers and having an Al/Ni alloy as a component; and an external electrode formed on the outer surface of the laminate, wherein the Al/Ni ratio of the Al/Ni alloy is 85/15 or more. | 12-27-2012 |
20130002092 | LAMINATED CERAMIC ELECTRONIC COMPONENT - Provided is a laminated ceramic electronic component which has excellent mechanical characteristics, internal electrode corrosion resistance, high degree of freedom in ceramic material design, low cost, low defective rate, and various properties. The laminated ceramic electronic component includes: a laminate which has a plurality of laminated ceramic layers and Al/Mn alloy internal electrodes at a plurality of specific interfaces between the ceramic layers and an external electrode formed on the outer surface of the laminate, wherein the Al/Mn ratio of the Al/Mn alloy is 80/20 or more. | 01-03-2013 |
20130009515 | CONDUCTIVE PASTE COMPOSITION FOR INTERNAL ELECTRODES AND MULTILAYER CERAMIC ELECTRONIC COMPONENT INCLUDING THE SAME - There are provided a conductive paste composition for an internal electrode and a multilayer ceramic electronic component including the same. The conductive paste composition includes: 100 moles of a metal powder; 0.5 to 4.0 moles of a ceramic powder; and 0.03 to 0.1 mole of a silica (SiO | 01-10-2013 |
20130009516 | CONDUCTIVE PASTE COMPOSITION FOR INTERNAL ELECTRODES AND MULTILAYER CERAMIC ELECTRONIC COMPONENT INCLUDING THE SAME - There are provided a conductive paste composition for internal electrodes and a multilayer ceramic electronic component including the same. The conductive paste composition includes: a metal powder; and a refractory metal oxide powder having a smaller average grain diameter than the metal powder and a higher melting point than the metal powder. The conductive paste composition can raise the sintering shrinkage temperature of the internal electrodes and improve the connectivity of the internal electrodes. | 01-10-2013 |
20130020905 | MULTILAYER CERAMIC ELECTRONIC COMPONENT - In a multilayer ceramic electronic component, internal electrodes arranged inside a ceramic body include exposed ends that are connected to end surfaces of the ceramic body. External electrodes, which are arranged on the end surfaces so as to be electrically connected to the internal electrodes, include first conductive portions that are arranged on the end surfaces so as to cover the exposed ends but so as not to wrap around onto the side surfaces, and include second conductive portions that are arranged on the end surfaces so as to cover the first conductive portions and so as to wrap around onto the principal surfaces and the side surfaces. In each external electrode, protruding portions are arranged on the end surface adjacent to the first conductive portion to stabilize the posture of the ceramic body when the second conductive portions are being formed. | 01-24-2013 |
20130020906 | ELECTROCHEMICAL ACTUATOR - The present invention provides systems, devices, and related methods, involving electrochemical actuation. In some cases, application of a voltage or current to a system or device of the invention may generate a volumetric or dimensional change, which may produce mechanical work. For example, at least a portion of the system may be constructed and arranged to be displaced from a first orientation to a second orientation. Systems such as these may be useful in various applications, including pumps (e.g., infusion pumps) and drug delivery devices, for example | 01-24-2013 |
20130049532 | CERAMIC ELECTRONIC COMPONENT AND METHOD OF MANUFACTURING THE SAME - There are provided a ceramic electronic component and a method of manufacturing the same. The ceramic electronic component includes: a ceramic element; and an internal electrode layer formed within the ceramic element, having a thickness of 0.5 μm or less, and including anon-electrode region formed therein, wherein an area ratio of the non-electrode region to an electrode region of the internal electrode layer, in a cross section of the internal electrode layer is between 0.1% and 10%, and the non-electrode region includes a ceramic component. | 02-28-2013 |
20130057112 | ELECTRONIC COMPONENT - An electronic component comprises an element body, an external electrode, and an insulating resin coating layer. The element body has a pair of end faces opposed to each other, a pair of principal faces extending so as to connect the pair of end faces and opposed to each other, and a pair of side faces extending so as to connect the pair of principal faces and opposed to each other. The external electrode is formed so as to cover at least a partial region of the principal face and/or a partial region of the side face and has a plating layer comprised of Sn or an Sn alloy. The insulating resin coating layer covers at least the portion of the external electrode formed so as to cover the side face. | 03-07-2013 |
20130062994 | LAMINATED CERAMIC ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREFOR - A method for manufacturing a laminated ceramic electronic component enables formation of a plating film as at least a portion of an external electrode which connects exposed ends of internal electrodes. A component main body including a plurality of ceramic layers and a plurality of internal electrodes partially exposed from the component main body is prepared such that the component main body has a conductive region formed by diffusion of a conductive component included in the internal electrodes at the end surfaces of the ceramic layers located between adjacent exposed ends of the plurality of internal electrodes. The ceramic layers are preferably composed of a glass ceramic containing a glass component of about 10 weight % or more. A plating film is formed directly on the component main body by growing the exposed ends of the internal electrodes and the conductive region as nucleuses for plating deposition. | 03-14-2013 |
20130076203 | CERAMIC BODY AND METHOD FOR PRODUCING THE SAME - A ceramic body including therein conductors more effectively prevents ingress of moisture into voids between the conductors and the ceramic body. A supercritical fluid containing a monomer flows in the voids between internal electrode layers and a ceramic laminated body. Then, the voids between the internal electrode layers and the ceramic laminated body are filled with a polymer by the polymerization of the monomer. | 03-28-2013 |
20130076204 | PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, LIQUID DISCHARGE HEAD, ULTRASONIC MOTOR, AND DUST CLEANING DEVICE - A piezoelectric material containing a barium bismuth calcium niobate-based tungsten bronze structure metal oxide having a high degree of orientation is provided. A piezoelectric element, a liquid discharge head, an ultrasonic motor, and a dust cleaning device including the piezoelectric material are also provided. The piezoelectric material includes a tungsten bronze structure metal oxide that includes metal elements which are barium, bismuth, calcium, and niobium; and tungsten. The metal elements satisfy following conditions on a molar basis: when Ba/Nb=a, 0.37≦a≦0.40, when Bi/Nb=b, 0.020≦b≦0.065, and when Ca/Nb=c, 0.007≦c≦0.10. The tungsten content on a metal basis is 0.4 to 2.0 parts by weight relative to 100 parts by weight of the tungsten bronze structure metal oxide. The tungsten bronze structure metal oxide has a c-axis orientation. | 03-28-2013 |
20130088119 | PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, LIQUID DISCHARGE HEAD, ULTRASONIC MOTOR, AND DUST CLEANING DEVICE - A piezoelectric material including a strontium calcium sodium niobate-based tungsten bronze structure metal oxide having a high degree of orientation is provided. A piezoelectric element, a liquid discharge head, an ultrasonic motor, and a dust cleaning device including the piezoelectric material are also provided. A piezoelectric material includes a tungsten bronze structure metal oxide that includes metal elements which are strontium, calcium, sodium, and niobium, and tungsten. The metal elements satisfy following conditions on a molar basis: when Sr/Nb=a, 0.320≦a≦0.430, when Ca/Nb=b, 0.008≦b≦0.086, and when Na/Nb=c, 0.180≦c≦0.200. The tungsten content on a metal basis is 0.40 to 3.20 parts by weight relative to 100 parts by weight of the tungsten bronze structure metal oxide. The tungsten bronze structure metal oxide has a c-axis orientation. | 04-11-2013 |
20130088120 | PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, LIQUID DISCHARGE HEAD, ULTRASONIC MOTOR, AND DUST CLEANING DEVICE - A piezoelectric material including a barium bismuth niobate-based tungsten bronze structure metal oxide having a high degree of orientation is provided. A piezoelectric element, a liquid discharge head, an ultrasonic motor, and a dust cleaning device including the piezoelectric material are also provided. A piezoelectric material includes a tungsten bronze structure metal oxide that includes metal elements which are barium, bismuth, and niobium, and tungsten. The metal elements satisfy following conditions on a molar basis: when Ba/Nb=a, 0.30≦a≦0.40, and when Bi/Nb=b, 0.012≦b≦0.084. The tungsten content on a metal basis is 0.40 to 3.00 parts by weight relative to 100 parts by weight of the tungsten bronze structure metal oxide. The tungsten bronze structure metal oxide has a c-axis orientation. | 04-11-2013 |
20130099627 | PIEZOELECTRIC DEVICE AND METHOD OF MANUFACTURING PIEZOELECTRIC DEVICE - A piezoelectric device includes: a substrate; a first electrode which is layered over the substrate; a first piezoelectric film which is layered over the first electrode; a metal oxide film which is layered over the first piezoelectric film; a metal film which is layered over the metal oxide film; a second piezoelectric film which is layered over the metal film; and a second electrode which is layered over the second piezoelectric film. | 04-25-2013 |
20130106242 | PIEZOELECTRIC FILM ELEMENT AND PIEZOELECTRIC FILM DEVICE | 05-02-2013 |
20130127293 | METHOD FOR PRODUCING PIEZOELECTRIC THIN-FILM ELEMENT, PIEZOELECTRIC THIN-FILM ELEMENT, AND MEMBER FOR PIEZOELECTRIC THIN-FILM ELEMENT - Provided is a method for producing a piezoelectric thin-film element including a piezoelectric thin-film layer having good surface morphology and high crystallinity. The method includes forming a lower electrode layer on a substrate; forming a piezoelectric thin-film buffer layer on the lower electrode layer at a relatively low film-formation temperature; forming a piezoelectric thin-film layer on the piezoelectric thin-film buffer layer at a film-formation temperature that is higher than the film-formation temperature for the piezoelectric thin-film buffer layer; and forming an upper electrode layer on the piezoelectric thin-film layer. | 05-23-2013 |
20130140946 | LAMINATED CERAMIC ELECTRONIC COMPONENT - Provided is a laminated ceramic electronic component which has excellent mechanical characteristics, internal electrode corrosion resistance, high degree of freedom in ceramic material design, low cost, low defective rate, and various properties. The laminated ceramic electronic component includes: a laminate which has a plurality of laminated ceramic layers and Al/Si alloy-containing internal electrodes at a plurality of specific interface between ceramic layers; and an external electrode formed on the outer surface of the laminate, wherein the Al/Si ratio of the Al/Si alloy is 85/15 or more. | 06-06-2013 |
20130162100 | DIELECTRIC COMPOSITION AND CERAMIC ELECTRONIC COMPONENT INCLUDING THE SAME - There is provided a dielectric composition, including: a basic powder including Ba | 06-27-2013 |
20130162101 | DIELECTRIC SINTERED BODY, METHOD FOR MANUFACTURING SAME, AND DIELECTRIC RESONATOR - A dielectric sintered body of the present invention contains Ba, Nb, and at least one of Zn and Co, as main components, and K and Ta as subcomponents. The ratio A of the peak intensity p | 06-27-2013 |
20130181572 | ACTUATOR - Provided is an actuator simultaneously having better deformation response characteristics and larger generative force. The actuator includes a pair of opposing electrodes and an intermediate layer disposed therebetween. The intermediate layer contains at least an electrolyte and includes at least a polymer fiber layer. The polymer fiber layer includes a plurality of polymer fibers crossing each other and intertwined three-dimensionally. The polymer fiber layer has fused portions at intersections of the polymer fibers. | 07-18-2013 |
20130200748 | PIEZOELECTRIC ACTUATOR INCLUDING Ti/TiOx ADHESIVE LAYER AND ITS MANUFACTURING METHOD - A piezoelectric actuator includes a substrate, an oxide layer formed on the substrate, a Ti0 | 08-08-2013 |
20130200749 | CERAMIC ELECTRONIC COMPONENT - A ceramic electronic component includes a ceramic body; a plurality of internal electrodes provided in the ceramic body and including ends exposed on a surface of the ceramic body; a coating layer covering a surface portion of the ceramic body on which the internal electrodes are exposed, the coating layer being made of a glass or resin medium in which metal powder particles are dispersed; and an electrode terminal provided directly on the coating layer and including a plating film. The metal powder particles define conduction paths electrically connecting the internal electrodes with the electrode terminal and have an elongated shape in cross section along a thickness direction of the coating layer. The metal powder particles defining the conduction paths have a maximum diameter not smaller than the thickness of the coating layer. | 08-08-2013 |
20130200750 | PREFERENTIALLY-ORIENTED OXIDE CERAMICS, PIEZOELECTRIC ELEMENT, LIQUID DISCHARGE HEAD, ULTRASONIC MOTOR, AND DUST REMOVING DEVICE - Provided is a manufacturing method for preferentially-oriented oxide ceramics having a high degree of crystal orientation. The manufacturing method includes: obtaining slurry containing an oxide crystal B having magnetic anisotropy; applying a magnetic field to the oxide crystal B, and obtaining a compact of the oxide crystal B; and subjecting the compact to oxidation treatment to obtain preferentially-oriented oxide ceramics including a compact of an oxide crystal C having a crystal system that is different from a crystal system of one of a part and a whole of the oxide crystal B. By (1) reacting raw materials, (2) reducing the oxide crystal A, or (3) keeping the oxide crystal A at high temperature and quenching the oxide crystal A, the oxide crystal B is obtained to be used in the slurry. | 08-08-2013 |
20130207512 | PIEZOELECTRIC DRIVE ELEMENT AND PIEZOELECTRIC DRIVE UNIT - A piezoelectrically actuated element includes a composite ceramic to which an alternating electric field is applied through external electrodes that are orthogonal to the polarization direction, wherein the composite ceramic is formed from a first piezoelectric ceramic having soft spring characteristics such that the elastic constant decreases with increasing vibration velocity, and a second piezoelectric ceramic having hard spring characteristics such that the elastic constant increases with increasing vibration velocity. Even when the applied electric field is intensified to increase the vibration velocity of the piezoelectrically actuated element, the overall change in the elastic constant is minimized, and fluctuations in the resonance frequency is suppressed. | 08-15-2013 |
20130207513 | ELECTROMECHANICAL EFFECT IN METAL OXIDES - This invention provides an electromechanical device comprising an active material comprising a metal oxide such as Ce0.8Gd0.2O1.9 wherein the elastic modulus of metal oxide can be modulated by applying external electric field. The Ce0.8Gd0.2O1.9 layer in a substrate \ electrode \Ce0.8Gd0.2O1.9 \ electrode structure or conductive substrate \Ce0.8Gd0.2O1.9 \ electrode structure develops a stress upon applying an electric field. This invention provides methods for tailoring the elastic modulus of materials using an electric field for the generation of an electromechanical response. | 08-15-2013 |
20130214639 | PIEZOELECTRIC CERAMIC, METHOD FOR MAKING THE SAME, PIEZOELECTRIC ELEMENT, LIQUID DISCHARGE HEAD, AND ULTRASONIC MOTOR - A piezoelectric ceramic that includes barium titanate and 0.04 mass % or more and 0.20 mass % or less manganese relative to barium titanate. The piezoelectric ceramic is composed of crystal grains. The crystal grains include crystal grains A having an equivalent circular diameter of 30 μm or more and 300 μm or less and crystal grains B having an equivalent circular diameter of 0.5 μm or more and 3 μm or less. The crystal grains A and the crystal grains B individually form aggregates and the aggregates of the crystal grains A and the aggregates of the crystal grains B form a sea-island structure. | 08-22-2013 |
20130241347 | PIEZOELECTRIC CERAMICS, MANUFACTURING METHOD THEREFOR, PIEZOELECTRIC ELEMENT, LIQUID DISCHARGE HEAD, ULTRASONIC MOTOR, AND DUST REMOVAL DEVICE - Provided are a barium titanate-based piezoelectric ceramics having satisfactory piezoelectric performance and a satisfactory mechanical quality factor (Q | 09-19-2013 |
20130307372 | PIEZOELECTRIC DEVICE AND METHOD FOR MANUFACTURING PIEZOELECTRIC DEVICE - In a method of manufacturing a piezoelectric device, during an isolation formation step, a supporting substrate has a piezoelectric thin film formed on its front with a compressive stress film present on its back. The compressive stress film compresses the surface on a piezoelectric single crystal substrate side of the supporting substrate, and the piezoelectric thin film compresses the back of the supporting substrate, which is opposite to the surface on the piezoelectric single crystal substrate side. Thus, the compressive stress produced by the compressive stress film and that produced by the piezoelectric thin film are balanced in the supporting substrate, which causes the supporting substrate to be free of warpage and remain flat. A driving force that induces isolation in the isolation formation step is gasification of the implanted ionized element rather than the compressive stress to the isolation plane produced by the piezoelectric thin film. | 11-21-2013 |
20130307373 | Displacement Member, Driving Member, Actuator, and Driving Device - A displacement member with a driving element that includes first and second side surfaces that extend in a first direction and top and bottom surfaces that extend in a second direction perpendicular to the first direction. The driving element is a piezoelectric element that expands and contracts in the second direction when a pulsed voltage is applied. Further, an elastic conversion element is provided that contains the driving element and includes a first portion that is disposed adjacent the top surface of the driving element and that includes a displacement portion that is displaced downwardly and upwardly in the first direction when the driving element expands and contracts in the second direction, respectively. | 11-21-2013 |
20130307374 | GEL ACTUATOR AND GEL USED THEREIN - A gel actuator includes: a gel having a projected part made of an inductive high-polymer material; a positive electrode disposed so as to be in contact with a top of the projected part; and a negative electrode disposed in a position sandwiching the projected part in a height direction in cooperation with the positive electrode. When voltage is applied between the positive and negative electrodes, creep deformation occurs so that the projected parts adhere to the positive electrode side, and the gel contracts in the thickness direction. | 11-21-2013 |
20130313944 | NANOGENERATOR AND METHOD OF MANUFACTURING THE SAME - A nanogenerator and a method of manufacturing the same are provided. The nanogenerator includes a boron nitride atomic layer, and a first electrode and a second electrode disposed on the boron nitride atomic layer. | 11-28-2013 |
20130328443 | DEFORMABLE MATERIAL AND ACTUATOR - A deformable material according to an embodiment of the invention includes a stimulus-responsive compound whose molecular structure is changed according to an oxidation-reduction reaction and an electronically conductive substance. The stimulus-responsive compound is a polymer obtained by polymerizing a constituent unit having a polymerizable functional group. The electronically conductive substance is preferably in the form of particles in the deformable material. Further, the electronically conductive substance preferably has an average particle diameter of 1 nm or more and 10 μm or less. Further, the electronically conductive substance preferably contains a carbon material. | 12-12-2013 |
20140049136 | METHOD FOR PRODUCING A THIN FILM MADE OF LEAD ZIRCONATE TITANATE - The invention relates to a method for producing the thin film made of lead zirconate titanate in a 111-oriented perovskite structure, comprising the following steps: providing a substrate having a substrate temperature above 450° C. and a lead target, a zirconium target, and a titanium target; applying the thin film by sputtering lead, zirconium, and titanium from the respective targets onto the substrate, wherein the total deposition rate of lead, zirconium, and titanium is greater than 10 nm/min, the deposition rate of zirconium is selected in such a way that the atomic concentration of zirconium with respect to the atomic concentration of zirconium together with titanium in the thin film is between 0.2 and 0.3, and the deposition rate of lead is selected to be sufficiently low, depending on the substrate temperature and the total deposition rate of lead, zirconium, and titanium, for an X-ray diffractometer graph of the 111-oriented lead zirconate titanate to have a significant peak value ( | 02-20-2014 |
20140062255 | PIEZOELECTRIC APPARATUSES, SYSTEMS AND METHODS THEREFOR - Various aspects as described herein are directed to piezoelectric materials. As consistent with one or more embodiments, an apparatus includes a nanomaterial and structures coupled to the nanomaterial. This nanomaterial-structure combination manifests piezoelectric characteristics, via the combination. In certain implementations, neither the nanomaterial nor the coupled structures independently exhibit piezoelectric characteristics, yet do so in combination. | 03-06-2014 |
20140084749 | THIN FILM PIEZOELECTRIC DEVICE - A thin film piezoelectric device according to the present invention includes a pair of electrode layers and a piezoelectric thin film interposed between the pair of electrode layers, wherein the piezoelectric thin film contains a rare gas element and has a content gradient of the rare gas element in the thickness direction of the piezoelectric thin film. | 03-27-2014 |
20140084750 | PIEZOELECTRIC ELEMENT, LIQUID DISCHARGE HEAD, ULTRASONIC MOTOR, AND DUST REMOVING DEVICE - A piezoelectric element having an improved piezoelectric constant is provided, and a liquid discharge head, an ultrasonic motor, and a dust removing device, each of which uses the above piezoelectric element, are also provided. A piezoelectric element at least includes a pair of electrodes and a piezoelectric material provided in contact with the pair of electrodes, the piezoelectric material is formed of an aggregate of crystal grains containing barium titanate as a primary component, and among the crystal grains of the aggregate, crystal grains at least in contact with the electrodes have dislocation layers in the grains. A liquid discharge head, an ultrasonic motor, and a dust removing device each use the above piezoelectric element. | 03-27-2014 |
20140103780 | LIQUID-EJECTING HEAD, LIQUID-EJECTING APPARATUS, PIEZOELECTRIC ELEMENT, AND PIEZOELECTRIC MATERIAL - A liquid-ejecting head includes a pressure-generating chamber communicating with a nozzle opening, and a piezoelectric element. The piezoelectric element has piezoelectric layer contains a perovskite complex oxide containing Bi, La, Fe, and Mn and can undergo electric-field-induced phase transition. | 04-17-2014 |
20140125194 | MULTILAYER CERAMIC ELECTRONIC COMPONENT - A multilayer ceramic electronic component includes: a ceramic body including dielectric layers; an oxide film formed on one surface of the ceramic body; first and second external electrodes formed on both sides of the oxide film on one surface of the ceramic body; a first internal electrode formed on the dielectric layer and including a first electrode lead-out portion exposed to the first external electrode and a first insulating lead-out portion exposed to the oxide film and having a composite-metal-oxide region formed in an exposed edge portion thereof; a second internal electrode facing the first internal electrode, having the dielectric layer interposed therebetween, and including a second electrode lead-out portion exposed to the second external electrode and a second insulating lead-out portion exposed to the oxide film, having a composite-metal-oxide region formed in an exposed edge portion thereof, and overlapped with the first insulating lead-out portion to form additional capacitance. | 05-08-2014 |
20140125195 | CERAMIC ELECTRONIC COMPONENT - A ceramic electronic component includes a ceramic base body and first and second outer electrodes. The ceramic base body includes first and second primary surfaces, first and second side surfaces, and first and second end surfaces. The first and second outer electrodes are arranged on the ceramic base body so that front end portions of the outer electrodes face each other. The first and the second outer electrodes include outermost layers each containing Cu. Outermost layers of the facing front end portions of the first and the second outer electrodes are more oxidized than outermost layers of the other portions of the first and the second outer electrodes. | 05-08-2014 |
20140125196 | Polymer Composite Actuator and Generator Driven by Water Gradients - Water-responsive composite materials are provided containing a polymeric matrix and a water-responsive gel integrated into the polymeric matrix. The water-responsive gel can include a polyol or an alkoxylated polyol crosslinked by reversibly hydrolysable bonds, such as borate ester bonds. The polymeric matrix can include conjugated polymers such as poly(pyrrole) containing polymers. The composite material is capable of rapid actuation in the presence of a water gradient and can exhibit power densities greater than 1 W/kg. Methods of making water-responsive composite materials are provided, including by electropolymerization. Devices containing water-responsive composite materials are provided for sensing, locomotion, and power generation. | 05-08-2014 |
20140139070 | LEAD-FREE PIEZOELECTRIC CERAMIC COMPOSITION, METHOD FOR PRODUCING SAME, PIEZOELECTRIC ELEMENT USING LEAD-FREE PIEZOELECTRIC CERAMIC COMPOSITION, ULTRASONIC PROCESSING MACHINE, ULTRASONIC DRIVE DEVICE, AND SENSING DEVICE - A lead-free piezoelectric ceramic composition mainly includes a first crystal phase (KNN phase) and a second crystal phase (NTK phase). In the first crystal phase (KNN phase), a plurality of crystal grains formed of an alkali niobate/tantalate perovskite oxide having piezoelectric characteristics is bound to each other in a deposited state. The second crystal phase (NTK phase) is formed of a compound containing titanium (Ti) and fills spaces between the crystal grains in the first crystal phase. | 05-22-2014 |
20140145555 | THIN-FILM PIEZOELECTRIC ELEMENT, THIN-FILM PIEZOELECTRIC ACTUATOR, THIN-FILM PIEZOELECTRIC SENSOR, HARD DISK DRIVE, AND INKJET PRINTER APPARATUS - There are provided a thin-film piezoelectric element including a piezoelectric thin film which has an alkali niobate-based perovskite structure represented by the composition formula (K | 05-29-2014 |
20140152144 | ORIENTED PIEZOELECTRIC CERAMIC, PIEZOELECTRIC ELEMENT, LIQUID DISCHARGE HEAD, ULTRASONIC MOTOR, AND DUST REMOVING DEVICE - Provided is an oriented piezoelectric ceramic of satisfactory piezoelectricity, which includes a metal oxide represented by (1−x)NaNbO | 06-05-2014 |
20140159542 | PIEZOELECTRIC ENERGY HARVESTING DEVICE AND METHOD OF FABRICATING THE SAME - A flexible piezoelectric energy harvesting device includes a first flexible electrode substrate, a piezoelectric layer disposed on the first flexible electrode substrate, and a second flexible electrode substrate disposed on the piezoelectric layer. The piezoelectric layer may include a plurality of first piezoelectric lines spaced apart from each other in one direction and a plurality of second piezoelectric lines respectively filling spaces between the first piezoelectric lines. | 06-12-2014 |
20140159543 | VIBRATOR AND PRODUCTION METHOD THEREOF, AND VIBRATION WAVE DRIVING DEVICE - Provided is a vibrator including a substrate; a piezoelectric element including a piezoelectric layer and an electrode layer, the piezoelectric element being fixed to the substrate; and a ceramics layer disposed between the substrate and the piezoelectric element, the ceramics layer having a thickness of more than 0.5 times and less than 1 time a thickness of the piezoelectric layer. | 06-12-2014 |
20140167560 | PIEZOELECTRIC THIN FILM RESONATOR - A piezoelectric thin film resonator includes: a substrate; a piezoelectric film that is located on the substrate and includes a first film made of an aluminum nitride film containing an additive element and second films located on an upper surface and a lower surface of the first film and made of an aluminum nitride film containing the additive element at a concentration lower than that of the first film; and a lower electrode and an upper electrode that are located to sandwich the piezoelectric film. | 06-19-2014 |
20140175942 | MULTILAYER CERAMIC ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING MULTILAYER CERAMIC ELECTRONIC COMPONENT - A multilayer ceramic electronic component achieves a high electrostatic capacitance and includes an Al inner electrode superior in smoothness and conductivity. The multilayer ceramic electronic component includes a multilayer body including a plurality of stacked ceramic layers and a plurality of inner electrodes arranged along certain interfaces between the ceramic layers and containing Al as a main component, and an outer electrode located on an outer surface of the multilayer body. A surface of the inner electrode is covered with a layer including a noble metal or Ti as a main component. | 06-26-2014 |
20140232238 | Piezoelectric Component and Method for Producing a Piezoelectric Component - A piezoelectric component has at least one piezoelectric ceramic layer and at least one electrode adjacent the piezoelectric ceramic layer. The piezoelectric ceramic layer has a piezoelectric ceramic material of the general formula Pb | 08-21-2014 |
20140252915 | THIN FILM FABRICATION OF RUBBER MATERIAL WITH PIEZOELECTRIC CHARACTERISTICS - The present invention is related to a thin film fabrication of a rubber material with piezoelectric characteristics and a manufacturing method thereof. The present invention is developed by utilizing polymer casting, multilayer stacking, surface coating, and micro plasma discharge processes. To realize the desired electromechanical sensitivity, cellular PDMS structures with micrometer-sized voids are implanted with bipolar charges on the opposite inner surfaces. The implanted charge pairs function as dipoles, which respond promptly to diverse electromechanical simulation. | 09-11-2014 |
20140265723 | PIEZOELECTRIC ELEMENT, PIEZOELECTRIC ACTUATOR, PIEZOELECTRIC SENSOR, HARD DISK DRIVE, AND INKJET PRINTER DEVICE - A piezoelectric element includes, as a piezoelectric layer, a thin film of potassium sodium niobate that is a perovskite compound represented by a general expression ABO | 09-18-2014 |
20140265724 | PIEZOELECTRIC ELEMENT, PIEZOELECTRIC ACTUATOR, PIEZOELECTRIC SENSOR, HARD DISK DRIVE, AND INKJET PRINTER DEVICE - A piezoelectric element includes, as a piezoelectric layer, a thin film of potassium sodium niobate that is a perovskite compound represented by a general expression ABO | 09-18-2014 |
20140285062 | PIEZOELECTRICITY CERAMIC, SINTER, METHOD FOR MANUFACTURING SAME, AND PIEZOELECTRICITY CERAMIC DEVICE USING SAME - The present disclosure provides a piezoelectricity ceramic material. The piezoelectricity ceramic material includes main components that are represented by a general chemical formula of PbZr | 09-25-2014 |
20140292141 | CERAMIC ELECTRONIC COMPONENT - A ceramic electronic component includes a ceramic body, inner electrodes, a glass coating layer, and outer electrodes. The glass coating layer extends from an exposed portion of one of the inner electrodes at a first end surface to a first principal surface. The outer electrodes are each constituted by a plating film disposed directly above the glass coating layer. The glass coating layer includes a glass medium and metal powder particles that define conductive paths. The metal powder particles have an elongated or substantially elongated shape and are dispersed in the glass medium. The dimension of a portion of the glass coating layer located on the first principal surface in the length direction, is larger than that of a portion of the glass coating layer located on the first end surface in the thickness direction. | 10-02-2014 |
20140292142 | CERAMIC ELECTRONIC COMPONENT AND GLASS PASTE - A ceramic electronic component includes a ceramic body, a glass coating layer, and terminal electrodes. End portions of inner electrodes are exposed at a surface of the ceramic body. The glass coating layer covers portions of the ceramic body in which the inner electrodes are exposed. The terminal electrodes are disposed directly above the glass coating layer and are each constituted by a plating film. The glass coating layer includes a glass medium and metal powder particles that are dispersed in the glass medium and define conductive paths which electrically connect the inner electrodes and the terminal electrodes. The metal powder particles include first metal powder particles and second metal powder particles. The first metal powder particles are flat or substantially flat powder particles. The second metal powder particles are spherical or substantially spherical powder particles. | 10-02-2014 |
20140292143 | ELECTRONIC DEVICE AND METHOD FOR FABRICATING THE SAME - The disclosure provides an electronic device that includes a substrate and a lid. The lid is bonded on the substrate to seal an inside of the lid using a resin. The lid includes a contact surface in contact with the resin. The contact surface includes a rough surface with an uneven shape. | 10-02-2014 |
20140312735 | METHOD OF MANUFACTURING AN ENCAPSULATION DEVICE - The invention relates to an element arranged to cooperate with another part so as to form an encapsulation device for a component including the element at least partially coated with a metallization. According to the invention, the metallization includes at least one metal layer protected by an intermetallic compound which is coated by a non-diffused portion of a material whose melting point is lower than 250° C. | 10-23-2014 |
20140339955 | BASE METAL COMBINATION ELECTRODE OF ELECTRONIC CERAMIC COMPONENT AND MANUFACTURING METHOD THEREOF - The present invention provides a base metal combination electrode of electronic ceramic component and manufacturing method thereof, wherein said base metal combination electrode comprises a first base metal electrode layer covering on two sides of said electronic ceramic chip and a second base metal electrode layer covering on said first base metal electrode layer, the manufacturing method for base metal combination electrode of electronic ceramic component comprises using thermal spray equipment to spray the electrode material to the surface of electronic ceramic chip. Comparing with using silver paste or copper paste only, it reduces the cost of electrode material without destroying the function of the electrode. The manufacturing method for base metal combination electrode of the present invention has simple technological process, high preparation efficiency and low cost, and it reduces the production cost of electrode of the electronic ceramic component on the whole. | 11-20-2014 |
20140339956 | ELECTRONIC COMPONENT AND ELECTRONIC COMPONENT MODULE - Provide an electronic component that has a hollowed structure and is capable of suppressing the deformation of the hollowed structure due to the pressure during the module resin molding. The electronic component includes a device substrate | 11-20-2014 |
20140354109 | BULK ACOUSTIC WAVE RESONATOR HAVING PIEZOELECTRIC LAYER WITH VARYING AMOUNTS OF DOPANT - A bulk acoustic wave (BAW) resonator structure includes a first electrode disposed over a substrate, a piezoelectric layer disposed over the first electrode, and a second electrode disposed over the piezoelectric layer. The piezoelectric layer includes undoped piezoelectric material and doped piezoelectric material, where the doped piezoelectric material is doped with at least one rare earth element, for improving piezoelectric properties of the piezoelectric layer and reducing compressive stress. | 12-04-2014 |
20140354110 | METHOD FOR MANUFACTURING PIEZOELECTRIC BULK ACOUSTIC WAVE ELEMENT AND PIEZOELECTRIC BULK ACOUSTIC WAVE ELEMENT - A method for manufacturing a piezoelectric bulk acoustic wave element by forming a sacrificial layer on a part of a primary surface of a substrate. A piezoelectric film sandwiched between a pair of electrodes is formed on the primary surface of the substrate so as to cover the sacrificial layer, the piezoelectric film being formed from scandium-containing aluminum nitride having a scandium atomic concentration with respect to the total number of scandium atoms and aluminum atoms of more than 24 atomic percent. An etching step of removing the sacrificial layer by etching is performed. Prior to the etching step, a protective film formed from aluminum nitride or scandium-containing aluminum nitride having a lower scandium atomic concentration than that of the piezoelectric film is provided so as to cover at least a part of a portion of the piezoelectric film located in a region in which the sacrificial layer is provided. | 12-04-2014 |
20140368083 | PIEZOELECTRIC ELEMENT - Poly(α-amino acid) which contain: (A) a glutamic acid γ-ester unit represented by formula (I): and (B) one or more kinds of units selected from a glutamic acid γ-ester unit represented by formula (II), an alanine unit, a phenylalanine unit and an N | 12-18-2014 |
20150022055 | Method for Producing an Electric Contact Connection of a Multilayer Component and Multilayer Component with an Electric Contact Connection - A method for producing an electric contact-connection of a multilayer component is specified. A main body has internal electrode layers, a insulating material, an electrically conductive material and a photosensitive material are provided. The insulating material and the electrically conductive material are arranged in a structured manner on an outer side of the multilayer component for the alternate contact-connection of the internal electrode layers. The structured arrangement is produced by the photosensitive material. A multilayer component comprising such a contact-connection is furthermore specified. | 01-22-2015 |
20150042206 | TRANSDUCER SYSTEMS - Transducer systems with reduced acoustic noise coupling are disclosed herein. In some embodiments, a transducer system includes pressure balancing features to prevent a floating portion of the transducer system from contacting a fixed portion of the transducer system, or to reduce the degree to which the floating portion is urged into contact with the fixed portion by process pressure or atmospheric pressure. In some embodiments, a transducer system includes one or more acoustic dampening elements, interruption grooves, annular projections, or dampening washers to reduce acoustic noise coupling between various components of the transducer system or between the transducer system and a flowcell in which the transducer system is mounted. | 02-12-2015 |
20150048717 | PIEZOELECTRIC GLASS CERAMIC COMPOSITIONS AND PIEZOELECTRIC DEVICES MADE THEREFROM - A piezoelectric glass ceramic represented by the formula | 02-19-2015 |
20150054381 | VIBRATION MODULE BASED ON PIEZOELECTRIC DEVICE - A vibration module based on a piezoelectric device includes: a piezoelectric device; a vibration plate connected to one side of the piezoelectric device by a medium of an adhesive and an intermediate material; the intermediate material interposed between the piezoelectric device and the vibration plate; and a molding part formed on the side of the piezoelectric device where the intermediate material is not formed. | 02-26-2015 |
20150084481 | ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING THE SAME - In an electronic component, an outer electrode includes a sintered layer containing a sintered metal, an insulation layer containing an electric insulation material, and a Sn-containing layer containing Sn. The sintered layer extends from each of end surfaces of an element assembly onto at least one main surface thereof so as to cover each of the end surfaces of the element assembly. The insulation layer is directly provided on the sintered layer at each of the end surfaces of the element assembly so as to extend in a direction perpendicular or substantially perpendicular to a side surface of the element assembly, and defines a portion of a surface of the outer electrode. The Sn-containing layer covers the sintered layer except for a portion of the sintered layer that is covered by the insulation layer, and constitutes another portion of the surface of the outer electrode. | 03-26-2015 |
20150102704 | SUPER-PIEZOELECTRIC COMPOSITE FIBER MATS FOR POWER GENERATION AND SOFT ACTUATORS - A piezoelectric device includes a fiber mat comprising polymer fibers with ferroelectric particles embedded in the polymer fibers. The ferroelectric particles are oriented to generate a net polarization in the fiber mat. The ferroelectric particles may comprise barium titanate particles. The polymer fibers may comprise polylactic acid (PLA) fibers. The piezoelectric device may further include substrates sandwiching the fiber mat, and the fiber mat may be formed by electrospinning polymer fibers containing ferroelectric particles onto one of the substrates. The piezoelectric device may be a piezoelectric actuator configured to receive an input voltage applied across the fiber mat and to output a mechanical displacement in response to the voltage, or the piezoelectric device may be configured to output a voltage in response to a mechanical force applied to the fiber mat. | 04-16-2015 |
20150130323 | Panel For Use in Vibratory Panel Device - A panel for use in a vibratory panel device comprises a substrate, a layer of electroactive material applied to the substrate and a layer of material applied to the electroactive material forming separate active areas whereby signals may be applied to or received from respective areas of the electroactive material, wherein the layer of material forming the active areas forms at least three active areas comprising at least two primary active areas and at least one secondary active area, the secondary active area being positioned relative to the two primary active areas such that one or both of the following conditions is provided: at least one secondary active area can be driven to at least partially offset any net displacement of the panel caused by driving two of the primary active areas; and the at least one secondary active area can sense vibrations of the panel affecting both of the two primary active areas. | 05-14-2015 |
20150295162 | LEAD-FREE PIEZO-ELECTRIC PORCELAIN COMPOSITION, PIEZO-ELECTRIC ELEMENT USING THE SAME, AND METHOD FOR PRODUCING LEAD-FREE PIEZO-ELECTRIC PORCELAIN COMPOSITION - A lead-free piezo-electric porcelain composition which contains a main phase having voids and which is formed of a first crystal phase composed of an alkali niobate/tantalate-based perovskite oxide having piezo-electric characteristics; and a sub-phase containing a second crystal phase composed of an A | 10-15-2015 |
20150311425 | METHOD FOR MANUFACTURING PIEZOELECTRIC CERAMIC, PIEZOELECTRIC CERAMIC, AND PIEZOELECTRIC ELEMENT - A method for manufacturing piezoelectric ceramic including the steps of: preparing a raw material so as to contain A, B, Ba and Zr as major constituents in a composition ratio represented by the following formula: (1-s)ABO | 10-29-2015 |
20150325781 | METHOD FOR PRODUCING AN ELECTRIC COMPONENT AND ELECTRIC COMPONENT - A method for producing an electric component ( | 11-12-2015 |
20150364673 | Freestanding Films With Electric Field-Enhanced Piezoelectric Coefficients - A method to produce low-temperature sinterable powders which are then subsequently used to fabricate freestanding piezoelectric films with very large electric-field-enhanced piezoelectric response is provided. The −d | 12-17-2015 |
20150364674 | OXIDE PARTICLES, PIEZOELECTRIC ELEMENT, AND METHOD FOR PRODUCING OXIDE PARTICLES - The present invention provides oxide particles having a compositional formula of Pb(Zr | 12-17-2015 |
20150380635 | METHODS TO IMPROVE THE CRYSTALLINITY OF PbZrTiO3 AND Pt FILMS FOR MEMS APPLICATIONS - A microelectronic device containing a piezoelectric component is formed sputtering an adhesion layer of titanium on a substrate by an ionized metal plasma (IMP) process. The adhesion layer is oxidized so that at least a portion of the titanium is converted to a layer of substantially stoichiometric titanium dioxide (TiO | 12-31-2015 |
20160035960 | ACOUSTIC RESONATOR AND METHOD OF MANUFACTURING THE SAME - An acoustic resonator is provided in which loss of acoustic waves in a transverse direction may be reduced through a cavity formed in an acoustic resonance unit including a first electrode, a piezoelectric layer, and a second electrode, and in which acoustic waves in a longitudinal direction may be reduced by forming an air gap between the acoustic resonance unit and a substrate. Whereby, a quality factor may be improved. | 02-04-2016 |
20160035965 | PZT-BASED PIEZOELECTRIC CERAMIC MATERIAL AND PIEZOELECTRIC DEVICE USING THE SAME - Embodiments of the invention provide a PZT-based piezoelectric ceramic material represented by the following formula: Pbx(ZryTiz)M1-y-zO3, which is an ABO3 perovskite crystal material including a crystal lattice A-site and a crystal lattice B-site, x, y, and z satisfying the following Equations, respectively: 0.830≦x≦0.964, 0.43≦y≦0.55, and 0.43≦z≦0.55, and M being a metal element having a valence of +5 or +6, and a piezoelectric device using the same. According to at least one embodiment, since Pb is not excessively added, a Pb or PbO phase deteriorating piezoelectric properties is not formed in a PZT-based piezoelectric material, such that excellent electric, dielectric, and piezoelectric properties are exhibited. | 02-04-2016 |
20160036412 | ULTRASONIC DEVICE AND PROBE AS WELL AS ELECTRONIC APPARATUS AND ULTRASONIC IMAGING APPARATUS - An acoustic matching layer is formed on individual ultrasonic transducer elements on a base. Electric conductors are arranged between adjacent ultrasonic transducer elements, the electric conductors being connected to electrodes of the ultrasonic transducer elements. Protective films overlap the electric conductors. The protective films have smaller moisture permeability than the acoustic matching layer. Wall portions are arranged on the protective films, the wall portions separating portions of the acoustic matching layer that are respectively located on adjacent ultrasonic transducer elements from each other at least in a part of a height range with respect to a height direction from the base, and having an acoustic impedance that is different from the acoustic impedance of the acoustic matching layer. | 02-04-2016 |
20160052826 | UNLEADED PIEZOELECTRIC CERAMIC COMPOSITION, PIEZOELECTRIC ELEMENT USING SAME, DEVICE, AND METHOD FOR MANUFACTURING UNLEADED PIEZOELECTRIC CERAMIC COMPOSITION - A lead-free piezoelectric ceramic composition includes a first crystal phase made of an alkali niobate/tantalate type perovskite oxide having piezoelectric properties, and a second crystal phase made of an M-Ti—O spinel compound (where the element M is a monovalent to quadrivalent element). | 02-25-2016 |
20160064642 | VIBRATING DEVICE - A vibrating device that is in the form of a rectangular plate having opposed long sides and opposed short sides, and that utilizes an expanding and contracting vibration mode in a direction of the short sides. The vibrating device includes a Si layer made of a degenerate semiconductor, a silicon oxide layer, a piezoelectric layer, and first and second electrodes through which a voltage is applied to the piezoelectric layer. When a total thickness of the Si layer is denoted by T | 03-03-2016 |
20160141486 | PIEZOELECTRIC COMPOSITION AND PIEZOELECTRIC DEVICE - Provided is a piezoelectric composition containing a major component that is a perovskite-type oxide which is represented by the general formula ABO | 05-19-2016 |
20160149119 | PIEZOELECTRIC CERAMIC COMPOSITION, PIEZOELECTRIC ELEMENT, AND METHOD FOR THE SAME - A piezoelectric ceramic composition comprises a basic composition of (1-x)Pb(Mg | 05-26-2016 |
20160163954 | ACOUSTIC RESONATOR AND METHOD OF MANUFACTURING THE SAME - An acoustic resonator and a method of manufacturing the same are provided. The acoustic resonator includes a resonance part including a first electrode, a second electrode, and a piezoelectric layer disposed between the first and second electrodes; and a substrate disposed below the resonance part. The piezoelectric layer is disposed on a flat surface of the first electrode. | 06-09-2016 |
20160172574 | PIEZOELECTRIC THIN FILM DEVICE AND METHOD FOR MANUFACTURING THE SAME | 06-16-2016 |
20160190431 | POLYMER FOAM-BASED PIEZOELECTRIC MATERIALS AND METHOD OF MANUFACTURE - Thermally stable piezoelectric polymer foams (ferroelectrets) with high piezoelectric activity for sensing and actuation. The invention further includes a method of fabricating such foams in an environmentally friendly manner. | 06-30-2016 |
20160194249 | LEAD-FREE PIEZOCERAMIC MATERIAL BASED ON BISMUTH SODIUM TITANATE (BST) | 07-07-2016 |
20160195893 | DEVICE FOR TRANSFORMING AN OUT-OF-PLANE MOVEMENT INTO AN IN-PLANE MOVEMENT, AND/OR VICE-VERSA | 07-07-2016 |
20160197597 | VIBRATION DEVICE AND MANUFACTURING METHOD OF THE SAME | 07-07-2016 |
20160204338 | METHOD AND DEVICE FOR PRODUCING AN ELASTOMER STACK ACTUATOR | 07-14-2016 |
20160204339 | Method for Producing Ceramic Multi-Layer Components | 07-14-2016 |
20160254438 | PIEZOELECTRIC THIN FILM, MANUFACTURING METHOD THEREFOR, AND PIEZOELECTRIC ELEMENT | 09-01-2016 |
20170236993 | MAGNETIC PIEZOELECTRIC COMPOSITE, SENSOR, AND MEMORY | 08-17-2017 |
20180022895 | POLYMERIC PIEZOELECTRIC FILM AND MANUFACTURING METHOD THEREOF | 01-25-2018 |
20180026174 | Method for Manufacturing Multilayer Components, and Multilayer Component | 01-25-2018 |
20180026603 | ELECTRONIC COMPONENT | 01-25-2018 |