| 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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| 01/09/2002 | EP1169746A1 Tunable microwave devices |
| 01/02/2002 | EP1042769B1 Digitally adjustable electronic capacitor |
| 01/02/2002 | CN1329762A Electrically tunable filters with dielectric varators |
| 12/18/2001 | US6331929 Multi layer ceramic capacitor |
| 12/18/2001 | CA2124294C Devices for manufacturing electrets, and electrets obtained thereby |
| 12/13/2001 | US20010050598 Band-Switched Integrated Voltage Controlled Oscillator |
| 12/12/2001 | CN1326599A Voltage tunable varactors and tunable devices including such varators |
| 12/06/2001 | US20010048352 Tunable filter arrangement |
| 12/05/2001 | CN1325552A Ferroelectric raractor with built-in DC blocks |
| 11/22/2001 | WO2001088933A1 Photolithographically-patterned variable capacitor structures and method of making |
| 11/20/2001 | US6321114 Implantable medical device having flat electrolytic capacitor with consolidated electrode tabs and corresponding feedthroughs |
| 11/08/2001 | WO2001084572A2 Tunable devices incorporating cacu3ti4o¿12? |
| 11/08/2001 | CA2404407A1 Tunable devices incorporating cacu3 ti4 o12 |
| 11/03/2001 | WO2001084698A1 Fixed frequency regulation circuit employing a voltage variable dielectric capacitor |
| 10/25/2001 | WO2001080257A1 Method of making electrets through vapor condensation |
| 10/25/2001 | CA2401620A1 Method of making electrets through vapor condensation |
| 10/18/2001 | WO2001078230A1 Tunable filter arrangement |
| 10/17/2001 | EP1145362A1 Electrically tunable filters with dielectric varactors |
| 10/17/2001 | EP1144075A2 Stable polymeric electret materials |
| 09/27/2001 | WO2000000267A3 Stable polymeric electret materials |
| 09/27/2001 | EP1144075A3 Stable polymeric electret materials |
| 09/26/2001 | EP1135825A1 Ferroelectric varactor with built-in dc blocks |
| 09/20/2001 | WO2001068554A1 Ceramic mass, method for the production of a ceramic mass and use of a ceramic mass |
| 09/20/2001 | US20010022487 Ceramic element, method for producing ceramic element, display device, relay device, and capacitor |
| 09/13/2001 | US20010021538 Micromechanical component and process for its fabrication |
| 08/22/2001 | CN1309401A Voltage-variable capacitor with improved C-V linearity |
| 08/21/2001 | US6278158 Voltage variable capacitor with improved C-V linearity |
| 08/08/2001 | EP1121725A1 Voltage tunable varactors and tunable devices including such varactors |
| 08/07/2001 | US6272003 Floating plate capacitor with extremely wide band low impedance |
| 08/07/2001 | CA2113048C Fabrication process of sio2 electrets and to the electrets obtained |
| 07/24/2001 | US6265811 Ceramic element, method for producing ceramic element, display device, relay device and capacitor |
| 07/19/2001 | WO2001052401A1 A band-switched integrated voltage controlled oscillator |
| 07/17/2001 | US6261342 Method of removing particulate solid or liquid aerosol from a gas |
| 07/11/2001 | EP1113981A1 Micromechanical component and its production method |
| 07/04/2001 | EP1113498A2 Voltage variable capacitor with improved c-v linearity |
| 06/05/2001 | CA2218264C Metallized film capacitor and manufacturing process |
| 05/29/2001 | US6238466 Electret articles and filters with increased oily mist resistance |
| 04/25/2001 | EP1093474A1 Fluorinated electret |
| 04/11/2001 | EP1089791A1 Implantable medical device having flat electrolytic capacitor with consolidated electrode tabs and corresponding feedthroughs |
| 04/10/2001 | US6214094 Nonwoven web comprising electret fibers that comprise a polymer and performance-enhancing additive; useful in respirators |
| 04/04/2001 | EP1088316A1 Thin electret layer and corresponding production method |
| 03/29/2001 | WO2000062367A8 Tunable microwave devices |
| 03/27/2001 | US6207335 Use of metal carboxylates and sulfonates as charge control agents |
| 01/31/2001 | CN1282085A 堆积陶瓷电容器 Stacked ceramic capacitors |
| 01/24/2001 | CN1281166A Application of improved green pigment in electronic photo toner and developer powdered coating and ink jet printing ink |
| 01/16/2001 | CA2214930C The method of obtaining the adjustable capacitor |
| 12/21/2000 | DE19927835A1 Verwendung von verbesserten Cyanpigmenten in elektrophotographischen Tonern und Entwicklern, Pulverlacken und Ink-Jet-Tinten Use of improved Cyanpigmenten in electrophotographic toners and developers, powder coatings and inkjet inks |
| 12/20/2000 | EP1061419A1 Use of cyan pigments in electrophotographic toners, developers, powder lacquers and ink-jet-inks |
| 12/12/2000 | US6159649 A calcium anionic dye particles comprising an auxiliary selected from the group consisting of a rosin, a salt of a rosin, abietic acid, and a salt of an abietic acid |
| 11/30/2000 | WO2000072382A1 Ferroelectric based memory devices utilizing hydrogen getters and recovery annealing |
| 11/14/2000 | US6146905 Ferroelectric dielectric for integrated circuit applications at microwave frequencies |
| 11/01/2000 | CN1272069A Oily mist resistant electret articles and filters |
| 10/31/2000 | US6141205 Implantable medical device having flat electrolytic capacitor with consolidated electrode tabs and corresponding feedthroughs |
| 10/24/2000 | US6137323 Low-consumption frequency translator |
| 10/19/2000 | WO2000062367A1 Tunable microwave devices |
| 10/19/2000 | CA2372103A1 Tunable microwave devices |
| 10/11/2000 | EP1043741A2 Voltage dependant thin film capacitor |
| 10/11/2000 | EP1042769A2 Digitally adjustable electronic capacitor |
| 10/05/2000 | DE19915247A1 Spannungsabhängiger Dünnschichtkondensator Voltage-dependent thin film capacitor |
| 10/03/2000 | CA2203524C Polycrystalline ferroelectric capacitor heterostructure employing hybrid electrodes |
| 09/27/2000 | CN1267895A Stacked ceramic capacitor |
| 09/19/2000 | US6121648 Ferroelectric based memory devices utilizing hydrogen getters and recovery annealing |
| 09/19/2000 | US6119691 Electret filter media |
| 08/29/2000 | US6110791 Method of making a semiconductor variable capacitor |
| 08/08/2000 | US6100773 Impedance matching device |
| 08/01/2000 | US6097586 Variable capacitor |
| 08/01/2000 | US6096434 The conductive oxide thin film is an epitaxial film composed of strontium ruthenate formed on silicon substrate |
| 07/25/2000 | US6093575 Semiconductor device and production method of a semiconductor device having a capacitor |
| 07/19/2000 | EP1019173A1 Oily mist resistant electret articles and filters |
| 07/05/2000 | EP0895642B1 Variable capacitor |
| 06/15/2000 | WO2000035042A1 Electrically tunable filters with dielectric varactors |
| 06/15/2000 | CA2352166A1 Electrically tunable filters with dielectric varactors |
| 05/30/2000 | CA2183477C Variable capacitor |
| 05/18/2000 | WO2000028613A1 Ferroelectric varactor with built-in dc blocks |
| 05/18/2000 | CA2349636A1 Ferroelectric varactor with built-in dc blocks |
| 05/17/2000 | EP0931326B1 Method for manufacturing a low self-inductance capacitor |
| 05/16/2000 | US6063140 Process for manufacturing a metallized film capacitor |
| 05/03/2000 | CN1052042C Method for charging electric filter media |
| 04/27/2000 | WO2000024079A1 Voltage tunable varactors and tunable devices including such varactors |
| 04/27/2000 | DE19839606C1 Mikromechanisches Bauelement und Verfahren zu dessen Herstellung Micromechanical component and method for its production |
| 04/27/2000 | CA2346856A1 Voltage tunable varactors and tunable devices including such varactors |
| 04/19/2000 | EP0705527B1 Folded dielectric film element and method for manufacturing the same |
| 04/11/2000 | US6048737 Forming conductive oxide layer between a metal electrode and a ferroelectric layer, capable of enhancing the fatigue behavior in addition to reducing the leakage current |
| 03/29/2000 | EP0988329A2 Electrets |
| 03/09/2000 | WO2000012427A1 Micromechanical component and its production method |
| 02/24/2000 | DE19837522A1 Verwendung von Metall-Carboxylaten und -Sulfonaten als Ladungssteuermittel Use of metal carboxylates, and sulfonates as charge control agents |
| 02/23/2000 | EP0981073A2 Use of metal-carboxylates and metal-sulfonates as charge control agent |
| 02/19/2000 | CA2280353A1 Use of metal carboxylates and sulfonates as charge control agents |
| 02/08/2000 | US6023408 Floating plate capacitor with extremely wide band low impedance |
| 01/25/2000 | US6018282 Voltage-controlled variable-passband filter and high-frequency circuit module incorporating same |
| 01/13/2000 | WO2000001737A1 Fluorinated electret |
| 01/13/2000 | CA2334806A1 Fluorinated electret |
| 01/06/2000 | WO2000000267A2 Stable polymeric electret materials |
| 12/29/1999 | WO1999066985A1 Implantable medical device having flat electrolytic capacitor with consolidated electrode tabs and corresponding feedthroughs |
| 12/28/1999 | US6007868 Method of manufacturing ferroelectric bismuth-titanate layers on a substrate from solution |
| 12/14/1999 | US6001299 Process and apparatus for manufacturing an electret article |
| 11/18/1999 | WO1999059172A1 Thin electret layer and corresponding production method |
| 11/16/1999 | US5986864 Intercalation-based voltage variable capacitor |
| 11/09/1999 | US5982608 Semiconductor variable capacitor |
| 10/13/1999 | CN1231757A Method for manufacturing a low self-inductance capacitor |