| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 361278000 | With significant electrode or terminal feature | 31 |
| 20080218933 | Movable micro-device - A micro-device includes a movable part, a frame and a connecting part. The movable part has a main portion, a first capacitor electrode and a first driver electrode. The capacitor electrode and the driver electrode have electrode teeth extending from the main portion. The frame includes second capacitor and driver electrodes, where the second capacitor electrode has electrode teeth extending toward the first capacitor electrode, and the second driver electrode has electrode teeth extending toward the first driver electrode. The connecting part connects the movable part to the frame. The first and second capacitor electrodes have their electrode teeth overlapped in their initial position. The movable part is rotatable for varying the extent of the overlapping between the first and second driver electrodes. | 09-11-2008 |
| 20090147436 | AIR VARIABLE CAPACITOR COMPRISING AN INTERDIGITAL MOBILE COMB AND FIXED COMB, ACCELEROMETER AND GYROMETER COMPRISING SUCH A CAPACITOR - The invention relates to an air variable capacitor including a mobile comb and a fixed comb. Each of the combs include a body and teeth each having an end fixed to the body and free end. The teeth of the mobile and fixed combs being interdigital and an the air-gap of the capacitor is adjustable by the transverse movement of the teeth of the mobile comb. The teeth of the mobile comb have geometric differences between one another, in order to attenuate the transverse resonance modes of the mobile comb. | 06-11-2009 |
| 20090213523 | Selectable size AC motor run capacitor - The present invention relates to a capacitor unit for use as a run capacitor in an AC motor circuit including a grouping of two to ten capacitors connected to an integral and internal multiple position selector switch having an externally accessible atuator knob in such a way that different selector switch positions select different parallel combinations of the capacitors. The capacitors are of suitable size and electrical characteristics for use as run capacitors in an AC motor circuit and a grouping of one of the two leads of each capacitor in the group is interconnected to form a first output lead for the capacitance unit. The selector switch is usable in an AC motor circuit for switching capacitors in and out of a parallel group in which the free leads of each of the capacitors are individually connected to terminals on the selector switch and the common terminal on the selector switch provides a second output lead for the capacitor unit, the selector switch being capable of connecting various combinations of the capacitors in a parallel configuration such that the capacitor unit yields selectable capacitance values. A housing to package the capacitors, the selector switch, and the required wiring is included. | 08-27-2009 |
| 20090219665 | Capacitor with multiple elements for multiple replacement applications - A capacitor provides a plurality of selectable capacitance values, by selective connection of six capacitor sections of a capacitive element each having a capacitance value. The capacitor sections are provided in a plurality of wound cylindrical capacitive elements. Two vertically stacked wound cylindrical capacitance elements may each provide three capacitor sections. There may be six separately wound cylindrical capacitive elements each providing a capacitor section. The capacitor sections have a common element terminal. A pressure interrupter cover assembly is sealingly secured to the open end of case for the elements and has a deformable cover with a centrally mounted common cover terminal and a plurality of section cover terminals mounted at spaced apart locations. A conductor frangibly connects the common element terminal of the capacitor section to the common cover terminal and conductors respectively frangibly connect the capacitor section terminals to the section cover terminals. Deformation of the cover caused by failure of the capacitor element breaks at least some of the frangible connections sufficient to disconnect the capacitive element from an electric circuit in which it is connected. A cover insulation barrier mounted on the deformable cover, has a barrier cup substantially surrounding the common cover terminal and a plurality of barrier fins each extending radially outwardly from the barrier cup, and deployed between adjacent section cover terminals. | 09-03-2009 |
| 20090237858 | Arrangement of MEMS Devices Having Series Coupled Capacitors - A tuneable capacitor arrangement for RF use has two series coupled MEMS variable capacitors (C | 09-24-2009 |
| 20090257167 | VARIABLE CAPACITOR AND ELECTRONIC DEVICE - Disclosed is a variable capacitor that includes signal electrodes configured to sandwich a dielectric layer so as to generate a signal electric field, and control electrodes configured to sandwich the dielectric layer so as to generate a control electric field in a direction intersecting with the signal electric field generated between the signal electrodes. | 10-15-2009 |
| 20100142117 | VARIABLE CAPACITIVE ELEMENT - A variable capacitive element which includes a substrate; a signal line provided on the substrate; a movable electrode provided so as to cross over the signal line and having a first end and a second end which are fixed to the substrate; and a fixed capacitive portion provided between at least one of the both ends of the movable electrode and the substrate. | 06-10-2010 |
| 20100254068 | VARIABLE CAPACITANCE ELEMENT - A variable capacitance element provided with a substrate, a signal line provided on the substrate, a fixed electrode provided on the substrate, and a movable electrode. The movable electrode includes a movable portion that spans the signal line and extends to above the fixed electrode, and is movable with respect to the fixed electrode, and a fixed portion that is fixed to the fixed electrode across a dielectric layer. | 10-07-2010 |
| 20100328839 | VARIABLE-CAPACITANCE ELEMENT, METHOD FOR ADJUSTING VARIABLE-CAPACITANCE ELEMENT, VARIABLE-CAPACITANCE DEVICE AND ELECTRONIC APPARATUS - A variable-capacitance element the capacitance value of which can be freely set to a desired value corresponding to a write voltage, and, once set, is maintained also after the write voltage is removed. The invention also provides a method for adjusting a variable-capacitance element, a variable-capacitance device and an electronic apparatus. | 12-30-2010 |
| 20110235231 | VACUUM CAPACITOR - [Object] An object of the present invention is to provide a vacuum capacitor, a vacuum state of a vacuum chamber of which is maintained without bellows etc., and whose capacitance is easily adjustable, and a decrease of life of which is lessened. | 09-29-2011 |
| 20120044611 | ALTERING CAPACITANCE OF MIM CAPACITOR HAVING REACTIVE LAYER THEREIN - Embodiments of a method include forming a metal-insulator-metal (MIM) capacitor including a first electrode and a second electrode and an insulator layer between the first and second electrodes, the MIM capacitor also including a reactive layer; and altering the reactive layer to change a capacitive value of the MIM capacitor. | 02-23-2012 |
| 20130135785 | MEMS VARIABLE CAPACITOR - Disclosed is a MEMS variable capacitor, the capacitor including a first electrode, a second electrode that is floated on an upper surface of the first electrode, and a third electrode capable of variably-adjusting a capacitance value by adjusting a gap between the first electrode and the second electrode. | 05-30-2013 |
| 20130194713 | ROTARY CAPACITOR - A rotary capacitor which changes electrostatic capacity by changing a mutually opposite area of a pair of electrodes which opposes each other, includes a rotary shaft which can rotate around a central axis, wherein the pair of electrodes includes a first electrode plate which protrudes from a circumferential surface of the rotary shaft, and a second electrode plate which may be separated in a direction along the central axis with respect to the first electrode plate and may be disposed so as to oppose the first electrode plate, and a notch which penetrates in a plate thickness direction may be formed on an edge portion of the first electrode plate. | 08-01-2013 |
| 20130201599 | VARIABLE CAPACITANCE DEVICE - A variable capacitance device that achieves a desired capacitance even when factors causing varied capacitances are generated is configured such that a capacitance detection pulse signal is applied from a capacitance detection signal generation unit to a driving capacitor and a reference capacitor of a MEMS mechanical unit. The device voltage of the driving capacitor based on the capacitance detection signal and a driving voltage is applied to the inverting input terminal of a comparator. The device voltage of the reference capacitor based on the capacitance detection signal and the driving voltage is applied to the non-inverting input terminal of the comparator. The comparator generates a comparison output signal including “Hi” and “Low” values from the difference between these device voltages, and applies the output signal to a driving voltage generation unit. The driving voltage generation unit increases or decreases the driving voltage based on the comparison output signal. | 08-08-2013 |
| 20130329335 | CAPACITOR - A capacitor is provided, which allows a user to readily change or adjust its capacitance value. The capacitor includes a dielectric film, which includes first and second conductor layers disposed on opposite surfaces thereof, and which is wound into a rod shape. First and second electrodes are led out from the first and second conductor layers, respectively. At least one of the first and second conductor layers includes an area-changeable conductor pattern, which is disposed (e.g., exposed) on an outer circumference side of the capacitor wound into the rod shape to receive physical treatment (e.g., cutting, connecting) from outside to thereby change the size of a conductor area of the at least one of the first and second conductor layers. Thus, the physical treatment changes the conductor area of the conductor layers, to thereby selectively set or adjust the capacitance value of the capacitor. | 12-12-2013 |
| 20140078640 | THIN FILM DEVICE AND METHOD FOR MANUFACTURING THIN FILM DEVICE - In a thin film device including a thin film electrode which has a main electrode layer formed of tungsten, a thin film electrode having a low resistivity is realized. There is provided a thin film device including a thin film electrode that has an underlayer and a main electrode layer formed on the underlayer. The underlayer is formed of a titanium-tungsten alloy having a crystalline structure with a wavy-like surface morphology, and the main electrode layer is formed of tungsten having a crystalline structure with a wavy-like surface morphology. | 03-20-2014 |
| 20140218839 | ROUTING OF MEMS VARIABLE CAPACITORS FOR RF APPLICATIONS - The present invention generally relates to a variable capacitor for RF and microwave applications. The variable capacitor includes a bond pad that has a plurality of cells electrically coupled thereto. Each of the plurality of cells has a plurality of MEMS devices therein. The MEMS devices share a common RF electrode, one or more ground electrodes and one or more control electrodes. The RF electrode, ground electrodes and control electrodes are all arranged parallel to each other within the cells. The RF electrode is electrically connected to the one or more bond pads using a different level of electrical routing metal. | 08-07-2014 |
| 20140247534 | ELECTROSTATIC CAPACITANCE ELEMENT AND RESONANCE CIRCUIT - There is provide an electrostatic capacitance element including a dielectric layer, a capacitance element body configured to include at least a pair of internal electrodes formed with the dielectric layer interposed therebetween, and an external terminal configured to be formed on a side surface of the capacitance element body and electrically connected to the internal electrode. Further, stress occurring due to a difference in a linear expansion coefficient between the dielectric layer and the internal electrode is concentrated on a center of a capacitor configured with the dielectric layer and the pair of internal electrodes between which the dielectric layer is interposed. | 09-04-2014 |
| 20140340814 | MEMS VARIABLE CAPACITOR WITH ENHANCED RF PERFORMANCE - In a MEMS device, the manner in which the membrane lands over the RF electrode can affect device performance. Bumps or stoppers placed over the RF electrode can be used to control the landing of the membrane and thus, the capacitance of the MEMS device. The shape and location of the bumps or stoppers can be tailored to ensure proper landing of the membrane, even when over-voltage is applied. Additionally, bumps or stoppers may be applied on the membrane itself to control the landing of the membrane on the roof or top electrode of the MEMS device. | 11-20-2014 |
| 20140368965 | CHIP COMPONENT AND METHOD OF PRODUCING THE SAME - [Subject] To provide a highly-reliable and small-size chip component, e.g., a chip resistor having an accurate resistance value. | 12-18-2014 |
| 20150009603 | VARIABLE VACUUM CAPACITOR - A variable vacuum capacitor includes two pairs of electrodes ganged together in series such that no moving parts are required to connect electrically to any static pans. Two sets, or gangs, of movable electrodes are connected mechanically and electrically together such that they move together and such that they require no electrical connection to any other part of the device. The ganged arrangement means that the device can be constructed with a smaller diameter, but without significantly increasing the overall length of the device. | 01-08-2015 |
| 20150016012 | CAPACITOR WITH MULTIPLE ELEMENTS FOR MULTIPLE REPLACEMENT APPLICATIONS - A capacitor provides a plurality of selectable capacitance values, by selective connection of six capacitor sections of a capacitive element each having a capacitance value. The capacitor sections are provided in a plurality of wound cylindrical capacitive elements. Two vertically stacked wound cylindrical capacitance elements may each provide three capacitor sections. There may be six separately wound cylindrical capacitive elements each providing a capacitor section. The capacitor sections have a common element terminal. | 01-15-2015 |
| 20150022938 | CHIP CAPACITOR AND METHOD FOR MANUFACTURING THE SAME - [Theme] To provide a chip capacitor capable of easily and rapidly accommodating a plurality of types of capacitance values using a common design and a method for manufacturing the chip capacitor. [Solution] A chip capacitor | 01-22-2015 |
| 20160055979 | CONTROL-ELECTRODE SHIELDING FOR IMPROVED LINEARITY OF A MEMS DVC DEVICE - The present invention generally relates to a MEMS DVC having a shielding electrode structure between the RF electrode and one or more other electrodes that cause a plate to move. The shielding electrode structure may be grounded and, in essence, block or shield the RF electrode from the one or more electrodes that cause the plate to move. By shielding the RF electrode, coupling of the RF electrode to the one or more electrodes that cause the plate to move is reduced and capacitance modulation is reduced or even eliminated. | 02-25-2016 |
| 20160055980 | MEMS DIGITAL VARIABLE CAPACITOR DESIGN WITH HIGH LINEARITY - The present invention generally relates to a MEMS DVC and a method for fabrication thereof. The MEMS DVC comprises a plate movable from a position spaced a first distance from an RF electrode and a second position spaced a second distance from the RF electrode that is less than the first distance. When in the second position, the plate is spaced from the RF electrode by a dielectric layer that has an RF plateau over the RF electrode. One or more secondary landing contacts and one or more plate bend contacts may be present as well to ensure that the plate obtains a good contact with the RF plateau and a consistent C max value can be obtained. On the figure PB contact is the plate bend contact, SL contact is the Second Landing contact and the PD electrode is the Pull Down electrode. | 02-25-2016 |
| 20160075548 | MULTI-PHASED MEMS PLATE LOWERING AND LIFTING SYSTEM AND METHOD - A MEMS device includes a bottom plate structure supporting a conductive electrode. A flexible conductive top plate movably supported by a flexure is affixed to a small peripheral portion of the top plate that is aligned with the electrode. Drive circuitry applies a high level of a drive voltage signal between the electrode and the top plate to produce an attracting electrostatic force between the top plate and the electrode sufficient to overcome the flexure and draw the top plate against the electrode. The drive circuitry later applies a low level of the drive voltage signal to remove the electrostatic force and allow the flexure to peel the peripheral portion away from the electrode. Additional drive voltage signals may be applied to additional electrodes to draw additional peripheral portions of the top plate against the additional electrodes and successively removed to allow peripheral portions of the top plate to be sequentially peeled away from the electrodes. | 03-17-2016 |
| 20160111218 | VACUUM VARIABLE CAPACITOR - A vacuum variable capacitor includes a pre-vacuum enclosure for reducing a pressure differential across the bellows. The vacuum force load on the drive system can thereby be reduced, allowing faster movement of the movable electrode, faster capacitance adjustment of the vacuum variable capacitor and longer lifetimes of the device. | 04-21-2016 |
| 20160172113 | CAPACITOR OF VARIABLE CAPACITY, COMPRISING A LAYER OF A PHASE CHANGE MATERIAL, AND METHOD FOR VARYING THE CAPACITY OF A CAPACITOR | 06-16-2016 |
| 20160172114 | VARIABLE CAPACITANCE COMPONENT | 06-16-2016 |
| 20160196923 | ELECTROSTATIC DAMPING OF MEMS DEVICES | 07-07-2016 |
| 20160203917 | Method of Operating an Integrated Switchable Capacitive Device | 07-14-2016 |
