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| Number | Title | Issue Date |
| 8031459 | 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 portio... | 10/04/2011 |
| 7808766 | Device with optimised capacitive volume A capacitive device comprising at least one first and one second comb, respectively provided with interdigital fingers, adapted to be mobile relative to each other depending on the closing-spacing apart of the axes of the fingers, at least one finger of the first co... | 10/05/2010 |
| 7782594 | MEMS variable capacitor and method for producing the same One inventive aspect relates a variable capacitor comprising first and second electrically conductive electrodes, arranged above a support structure and spaced apart from each other and defining the capacitance of the capacitor. At least one of the electrodes compri... | 08/24/2010 |
| 7511937 | Rotary variable capacitance element and rotary variable capacitance device A variable capacitance element of the invention includes: a columnar vibrator formed inside a cylindrical hole of a supporting wall; a first circular driving electrode disposed above the columnar vibrator; a first circular capacitive electrode disposed in the middle... | 03/31/2009 |
| 7446994 | Variable capacitor and manufacturing method thereof A lower movable electrode 35, having line sections 35a, 35a on both ends and a capacitor section 35b in the center, and an upper movable electrode 37, having line sections 37a, 37a o... | 11/04/2008 |
| 7440254 | Micro-electromechanical variable capacitor A micro-electromechanical variable capacitor with first and second capacitor plates spaced apart to define a gap therebetween. The first plate has two control electrodes and an active electrode. The second plate is movable relative to first plate when a voltage is a... | 10/21/2008 |
| 7411774 | Voltage variable capacitor A charge storage device having a capacitance that is variable by alteration of the relative permittivity of the dielectric positioned between conductive electrodes within the device. The device consists of two conductive plates sandwiching a conductive grid, typical... | 08/12/2008 |
| 7400488 | Variable capacitance membrane actuator for wide band tuning of microstrip resonators and filters A device for varying the capacitance of an electronic circuit is disclosed. The device comprises a flexible membrane located above the electronic circuit, a metal layer connected to the flexible membrane, and bias circuitry located above the membrane. Variation of t... | 07/15/2008 |
| 7400489 | System and a method of driving a parallel-plate variable micro-electromechanical capacitor A method of driving a parallel-plate variable micro-electromechanical capacitor includes establishing a first charge differential across first and second conductive plates of a variable capacitor in which the first and second conductive plates are separated by a var... | 07/15/2008 |
| 7394641 | MEMS tunable capacitor with a wide tuning range A MEMS tunable capacitor and method of fabricating the same, includes a plurality of fixed charge plates on a substrate, the plurality of fixed charge plates having a same height, being arranged in a shape of comb-teeth and being electrically connected to one anothe... | 07/01/2008 |
| 7385800 | Micro-electro-mechanical system (MEMS) capacitors, inductors, and related systems and methods According to one aspect, the subject matter described herein includes a MEMS fixed capacitor and a method for fabricating the MEMS fixed capacitor. The MEMS fixed capacitor can include a first stationary, capacitive plate on a substrate. Further, the MEMS fixed capa... | 06/10/2008 |
| 7369394 | Variable capacitor, circuit module, and communications apparatus A variable capacitor includes a supporting substrate and a plurality of variable capacitance elements, and bias lines. The plurality of variable capacitance elements is formed on the supporting substrate, each of which is composed of a lower-laid first electrode lay... | 05/06/2008 |
| 7370185 | Self-packaged optical interference display device having anti-stiction bumps, integral micro-lens, and reflection-absorbing layers An electronic device of an embodiment of the invention is disclosed that at least partially displays a pixel of a display image. The device includes a first reflector and a second reflector defining an optical cavity therebetween that is selective of a visible wavel... | 05/06/2008 |
| 7361962 | Micro-electro-mechanical system (MEMS) variable capacitor apparatuses, systems and related methods Micro-electro-mechanical system (MEMS) variable capacitor apparatuses, system and related methods are provided. According to one embodiment, a MEMS variable capacitor is provided. The variable capacitor can include first and second actuation electrodes being spaced ... | 04/22/2008 |
| 7354787 | Electrode design and positioning for controlled movement of a moveable electrode and associated support structure A MEMS system including a fixed electrode and a suspended moveable electrode that is controllable over a wide range of motion. In traditional systems where an fixed electrode is positioned under the moveable electrode, the range of motion is limited because the supp... | 04/08/2008 |
| 7346981 | Method for fabricating microelectromechanical system (MEMS) devices A process for fabricating a MEMS device comprises the steps of depositing and patterning on one side of a wafer a layer of material having a preselected electrical resistivity; bonding a substrate to the one side of the wafer using an adhesive bonding agent, the sub... | 03/25/2008 |
| 7345866 | Continuously tunable RF MEMS capacitor with ultra-wide tuning range A method is provided of continuously varying the capacitance of a MEMS varactor having a cantilever assembly mounted on a base portion, the cantilever assembly having a first capacitance plate and a dielectric element mounted thereon, and the base portion having a s... | 03/18/2008 |
| 7324323 | Photo-sensitive MEMS structure A heat-sensitive apparatus includes a substrate with a top surface, one or more bars being rotatably joined to the surface and having bimorph portions, and a plate rotatably joined to the surface and substantially rigidly joined to the one or more bars. Each bimorph... | 01/29/2008 |
| 7319580 | Collapsing zipper varactor with inter-digit actuation electrodes for tunable filters According to one embodiment a microelectromechanical (MEMS) switch is disclosed. The MEMS switch includes a substrate, a plurality of actuation electrodes mounted on the substrate, a plurality of bottom electrodes mounted on the substrate, a capacitor having subcomp... | 01/15/2008 |
| 7317367 | Electrical apparatus A micro-switch comprises at least one coil (22) of elongate electrically conductive material mounted on the support means (16). A movable actuator portion (20) of electrically conductive material is attached to the support means (16) so a... | 01/08/2008 |
| 7305760 | System and method for capacitive coupled via structures in information handling system circuit boards Power supplied to an information handling system electronic component through a circuit board has component package inductance parasitic effects compensated by configuring connections to the electronic component to have increased parasitic capacitance. For instance,... | 12/11/2007 |
| 7307827 | Variable capacitor and method of manufacturing variable capacitor The first movable electrode is flat, but the second movable electrode is deformed into a convex shape. A dielectric layer is placed on the facing surface of the second movable electrode. By adjusting a voltage to be applied between the first movable electrode and th... | 12/11/2007 |
| 7283347 | Low cost digital variable capacitor A digital variable capacitor package is provided as having a ground plane disposed on predetermined portion of the top surface of a substrate. An elongated signal electrode may also be disposed on the substrate and including a first end defining an input and a secon... | 10/16/2007 |
| 7283025 | Micro-electromechanical systems switch and method of fabricating the same Provided is a micro-electromechanical systems switch for controlling signal delivery in a high frequency band wireless communication and a radio frequency (RF) system and, comprising: a substrate; a signal line formed on the substrate and having a predetermined open... | 10/16/2007 |
| 7277004 | Bi-directional deflectable resistor A system and method for a bi-directional deflectable resistor. The bi-directional deflectable resistor has a first layer of conductive material on a top surface of a substrate and a second layer of conductive material on a bottom surface of a substrate, each layer h... | 10/02/2007 |
| 7274277 | Ferroelectric devices and method relating thereto The present invention relates to an electrically controllable/tunable microwave device comprising a ferroelectric substrate with a variable dielectric permitivity and conducting electrodes, arranged on said substrate, and the capacitance of which depends on applied ... | 09/25/2007 |
| 7268646 | Temperature controlled MEMS resonator and method for controlling resonator frequency There are many inventions described and illustrated herein. In one aspect, the present invention is directed to a temperature compensated microelectromechanical resonator as well as fabricating, manufacturing, providing and/or controlling microelectromechanical reso... | 09/11/2007 |
| 7249856 | Electrostatic bimorph actuator An electrostatic bimorph actuator includes a cantilevered flexible bimorph arm that is secured and insulated at one end to a planar substrate. In an electrostatically activated state the bimorph arm is generally parallel to the planar substrate. In a relaxed state, ... | 07/31/2007 |
| 7251121 | Electronically variable capacitor array A capacitor array may include a bottom electrode, a plurality of top electrodes, at least one dielectric medium and a plurality of switching mechanisms. Each switching mechanism may separably electronically connect two or more top electrodes. The at least one dielec... | 07/31/2007 |
| 7242570 | Vacuum capacitor A vacuum capacitor including an insulating cylinder having first and second ends which are opposite to each other. A stationary-side flange is installed to the first end of the insulating cylinder. A stationary electrode supporting plate is installed to an inner sur... | 07/10/2007 |
| 7236092 | Passive sensor technology incorporating energy storage mechanism A passive sensor system having the capacity to respond to a variety of stimuli in the form of pulses of a specified frequency. The system includes a sensor operatively connected to an LC circuit characterized by a quality factor (Q) of less than 200, and a high Q re... | 06/26/2007 |
| 7221247 | Magnetically actuated microelectromechanical systems actuator A microelectrical mechanical system (MEMS) actuator having electrically conductive coils that create first magnetic fields that are opposed by a second magnetic field is disclosed. The actuator includes two coils having dual, interspersed Archimedean spirals. Within... | 05/22/2007 |
| 7221495 | Thin film precursor stack for MEMS manufacturing This invention provides a precursor film stack for use in the production of MEMS devices. The precursor film stack comprises a carrier substrate, a first layer formed on the carrier substrate, a second layer of an insulator material formed on the first layer, and a ... | 05/22/2007 |
| 7218191 | Micro-electro mechanical switch designs A capacitive RF switch and DC RF switch include a fixed electrode having a thin layer of metal and at least one pull-down electrode. A moving plate has a plurality of corrugations and a selective finger design. The capacitive switch includes a selective finger that ... | 05/15/2007 |
| 7215064 | Piezoelectric switch for tunable electronic components A piezoelectric switch for tunable electronic components comprises piezoelectric layers, metal electrodes alternated with the layers and contact pads. Cross voltages are applied to the electrodes, in order to obtain an S-shaped deformation of the switch and allow co... | 05/08/2007 |
| 7215529 | Capacitive sensor having flexible polymeric conductors A capacitive sensor having a first and a second polymeric conductor are embedded within a non conducting body, wherein the body maintains a fixed separation distance between the first and the second polymeric conductor. The body can include a non conducting web, whe... | 05/08/2007 |
| 7202763 | Micro-electromechanical switching device The invention relates to an electromechanical switching device including at least one pair of inductive elements electrically connected in series, said inductive elements being intended to generate two magnetic fields when current is flowing through said inductive e... | 04/10/2007 |
| 7203052 | Method of fabricating MEMS tunable capacitor with wide tuning range A MEMS tunable capacitor and method of fabricating the same, includes a plurality of fixed charge plates on a substrate, the plurality of fixed charge plates having a same height, being arranged in a shape of comb-teeth and being electrically connected to one anothe... | 04/10/2007 |
| 7200908 | Method of making a variable capacitor component A method of making a variable capacitor by forming a grove portion in an insulating substrate, two upper portions of the substrate located on either side of the groove portion forming two lateral edges, a conductive layer covering the inside of the groove portion, a... | 04/10/2007 |
| 7180145 | Micro-electro-mechanical system (MEMS) variable capacitor apparatuses, systems and related methods Micro-electro-mechanical system (MEMS) variable capacitor apparatuses, system and related methods are provided. ... | 02/20/2007 |
