Patents for H01G 7 - Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture (2,230) |
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04/28/2005 | US20050088799 Thin film capacitor, thin film capacitor array and electronic component |
04/28/2005 | US20050088255 Electrically tunable filters with dielectric varactors |
04/27/2005 | EP1135825B1 Ferroelectric varactor with built-in dc blocks |
04/26/2005 | US6885544 Vertical capacitor apparatus, systems, and methods |
04/26/2005 | US6885537 Capacitor apparatus of the capacity variable type |
04/26/2005 | US6885341 Inverted-F ferroelectric antenna |
04/26/2005 | US6885263 Tunable ferro-electric filter |
04/21/2005 | US20050085200 Antenna interface unit |
04/21/2005 | US20050085051 Tunable dielectric device and process relating thereto |
04/21/2005 | US20050083234 Wireless device reconfigurable radiation desensitivity bracket systems and methods |
04/20/2005 | CN1198295C Plate type electronic element and mfg. method thereof |
04/14/2005 | WO2005020257A3 Organic capacitor having a voltage-controlled capacitance |
04/07/2005 | US20050071970 Manufacturing method for electrodes that inhibit corona effect on ceramic capacitor |
04/06/2005 | CN1196034C Application of improved green pigment in electronic photo toner and developer powdered coating and ink jet printing ink |
03/30/2005 | CN1601674A Film capacitor, film capacitor arry and electronic component |
03/24/2005 | US20050063137 Vertical capacitor apparatus, systems, and methods |
03/23/2005 | CN1598983A T-shaped beam parallel plate micromechanical variable capacitor and manufacturing process thereof |
03/17/2005 | US20050057414 Reconfigurable radiation desensitivity bracket systems and methods |
03/17/2005 | US20050057322 Apparatus and method for combining electrical signals |
03/17/2005 | DE10338277A1 Organischer Kondensator mit spannungsgesteuerter Kapazität Organic capacitor having a voltage controlled capacitance |
03/16/2005 | CN1596506A Circuit configuration for DC-biased capacitors |
03/15/2005 | US6867744 Tunable horn antenna |
03/08/2005 | US6865066 Voltage-controlled variable-capacitance device |
03/03/2005 | WO2005020257A2 Organic capacitor having a voltage-controlled capacitance |
03/03/2005 | US20050046536 Plated terminations |
03/02/2005 | CN1191659C Tunable microwave devices |
03/01/2005 | US6861985 Ferroelectric antenna and method for tuning same |
02/22/2005 | US6859104 Tunable power amplifier matching circuit |
02/16/2005 | EP1506556A1 Electret transducer |
02/02/2005 | CN1573336A Capacitance-type dynamic-quantity sensor and manufacturing method therefor |
01/26/2005 | CN1572007A Tunable capacitors using fluid dielectrics |
01/25/2005 | US6845551 Multilayer; dielectric mica sheets; metal conductor; pressurized environment; hermetic sealing |
01/20/2005 | WO2005005320A1 A ferroelectric ceramic compound, a ferroelectric ceramic single crystal, and preparation processes thereof |
01/06/2005 | US20050000932 Multi-metal layer MEMS structure and process for making the same |
12/30/2004 | US20040264107 Tunable capacitors using fluid dielectrics |
12/22/2004 | CN1181511C Voltage-variable capacitor with improved C-V linearity and its forming method |
12/21/2004 | US6833820 Tunable monopole antenna |
12/21/2004 | US6833687 Electromechanical power converter |
12/16/2004 | US20040250393 High temperature and high voltage power electronics capacitor |
12/15/2004 | EP1279179B1 Tunable electrical devices comprising cacu3 ti4o12 |
12/15/2004 | EP1263691B1 Ceramic mass, method for the production of a ceramic mass and use of a ceramic mass |
12/09/2004 | US20040246648 Capacitance-type dynamic-quantity sensor and manufacturing method therefor |
12/02/2004 | US20040241401 Capacitor having improved electrodes |
12/01/2004 | CN1178447C Electret microphone |
11/30/2004 | US6825818 Tunable matching circuit |
11/30/2004 | US6825090 Fluid dielectric variable capacitor |
11/18/2004 | US20040229025 Voltage tunable photodefinable dielectric and method of manufacture therefore |
11/16/2004 | US6819194 Tunable voltage-controlled temperature-compensated crystal oscillator |
11/16/2004 | US6818092 Multi-layer electret having ultra-high charge stability and method of manufacturing thereof |
11/11/2004 | US20040222925 Inverted-F ferroelectric antenna |
11/09/2004 | US6816714 Antenna interface unit |
11/04/2004 | US20040219426 Rechargeable battery |
11/04/2004 | US20040218373 Plated terminations |
10/28/2004 | WO2004093145A2 Voltage tunable photodefinable dielectric and method of manufacture therefore |
10/27/2004 | CN1540692A 镀覆接线端 Plated terminals |
10/26/2004 | US6808551 Method of using fluorinated electrets |
10/21/2004 | US20040207456 Circuit configuration for DC-biased capacitors |
10/21/2004 | US20040207369 Electromechanical power converter |
10/21/2004 | US20040207125 Method of making a respirator that has a fluorinated electret |
10/13/2004 | EP1467178A2 Capacitance-sensing vibratory gyro and method for detecting change in capacitance |
10/13/2004 | CN1537343A Tuning multiplexer |
10/13/2004 | CN1536687A Radio element adopting microelectric mechine system manufacture techqique and its manufacture method |
10/13/2004 | CN1171258C Stacked ceramic capacitor |
10/07/2004 | US20040196617 Capacitance-sensing vibratory gyro and method for detecting change in capacitance |
10/07/2004 | US20040196121 Band switchable filter |
10/06/2004 | EP1303863A4 Photolithographically-patterned variable capacitor structures and method of making |
09/23/2004 | US20040184216 Voltage controlled variable capacitance device |
09/22/2004 | EP1460658A1 Process for producing laminated ceramic capacitor |
09/15/2004 | EP1093474B1 Fluorinated electret |
09/09/2004 | US20040174220 Tunable power amplifier matching circuit |
09/02/2004 | US20040169992 Variable capacitors, composite materials |
09/01/2004 | EP1451927A2 Circuit configuration for dc-biased capacitors |
09/01/2004 | EP1451835A2 Method of making an electret |
08/31/2004 | US6785117 Capacitive device |
08/26/2004 | US20040164819 Variable capacitance circuit, variable capacitance thin film capacitor and radio frequency device |
08/25/2004 | CN1524276A Tunable ferro-electric filter |
08/24/2004 | US6781814 Capacitive pressure transducer |
08/18/2004 | EP1446237A2 Manufacture having double sided features in a metal-containing web formed by etching |
08/18/2004 | CN1522466A An improved method for forming minimally spaced mram structures |
08/12/2004 | US20040155731 Low-loss tunable ferro-electric device and method of characterization |
08/05/2004 | US20040150939 MEMS-based variable capacitor |
08/05/2004 | US20040150493 Ferroelectric devices and method relating thereto |
08/04/2004 | EP1443017A2 Multi-metal layer MEMS structure and process for making the same |
08/04/2004 | EP1442464A1 Tunable capacitors using fluid dielectrics |
08/04/2004 | EP1344233B1 Variable capacitance voltage-controllable by use of coulomb barrier phenomenon |
07/29/2004 | US20040145056 Multi-metal layer MEMS structure and process for making the same |
07/20/2004 | US6765540 Tunable antenna matching circuit |
07/15/2004 | US20040136140 Voltage-controlled variable-capacitance device |
07/13/2004 | US6762141 Glass between two ceramic materials reduces the sintering temperature and prevents formation of a mixed crystal ltcc (low temperature cofired ceramic); capacitors |
07/07/2004 | CN1511261A Low-loss tunable ferro-electric device and method of characterization |
07/01/2004 | US20040127345 Dielectrics, a dielectric constant above 9000, heat resistance; phase shifters, matching networks, oscillators, filters, resonators, and antennas, capacitors, waveguides |
07/01/2004 | US20040125536 Charge dissipation in electrostatically driven devices |
06/29/2004 | US6756947 Tunable slot antenna |
06/24/2004 | WO2004038848A3 Mems capacitor for tuning of microstrip filters |
06/23/2004 | CN1507639A Capacitor having improved electrodes |
06/17/2004 | WO2003023796A3 Method of making an electret |
06/17/2004 | US20040114306 Multi-layer capacitor and method for manufacturing the same |
06/10/2004 | US20040107555 Method for making monolithic ceramic capacitor |
06/09/2004 | CN1503454A Variable capacitor element and integrated circuit having variable capacitor element |
06/01/2004 | US6744327 Tunable voltage controlled oscillator |