| Patents for H01G 7 - Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture (2,230) |
|---|
| 09/24/1991 | US5051862 Metallized flexible dielectric film capacitor and method for making such a capacitor |
| 09/24/1991 | US5051159 Melting a polymer, spinning fibers and putting in a binder and charging |
| 09/24/1991 | US5050434 Capacitive humidity sensor |
| 09/19/1991 | WO1991013922A1 Vinylidene cyanide alternating copolymers |
| 09/18/1991 | EP0447166A2 Process for producing an electret, a film electret, and an electret filter |
| 09/13/1991 | CA2037942A1 Process for producing an electret, a film electret, and an electret filter |
| 09/10/1991 | CA2037393A1 Metallized flexible dielectric film capacitor and method for making such a capacitor |
| 09/04/1991 | EP0444214A1 Film capacitor and its manufacturing method |
| 09/04/1991 | EP0444022A1 Capacitive coupled moisture sensor and its use. |
| 08/27/1991 | US5043843 Film capacitor and method of making the same |
| 08/13/1991 | US5040093 Capacitor and method of manufacturing same |
| 07/24/1991 | CN2081560U Polyester membrane direct electret device |
| 07/23/1991 | US5034851 Miniature monolithic multilayered capacitors and method for trimming |
| 07/23/1991 | US5034192 Molecule-based microelectronic devices |
| 07/11/1991 | DE4000164A1 Windscreen wiper control dependent on rain-fall - uses capacitance sensor formed by two electrodes using glass of windscreen as dielectric |
| 06/18/1991 | US5024964 Method of making ferroelectric memory devices |
| 06/12/1991 | EP0431887A2 Variable capacitance capacitor array |
| 06/04/1991 | US5021921 Monolithic ceramic capacitor |
| 05/21/1991 | US5018046 Film capacitor capable of undergoing severe electrical treatment and methods for the fabrication of such a capacitor |
| 05/08/1991 | EP0417074A4 Electronic device fabrication by selective doping of a non-conductive polymer |
| 04/04/1991 | WO1991004566A1 Film capacitor and its manufacturing method |
| 03/28/1991 | WO1991005246A1 Capacitance humidity sensor |
| 03/20/1991 | EP0417074A1 Electronic device fabrication by selective doping of a non-conductive polymer |
| 03/19/1991 | US5001597 Capacitor with mounting core |
| 02/05/1991 | US4990584 Piezoelectric or pyroelectric material |
| 02/05/1991 | CA1279772C Dual diaphragm differential pressure transducer |
| 01/23/1991 | EP0409018A2 Electrodes for electrical ceramic oxide devices |
| 01/18/1991 | CA2021277A1 Electrodes for electrical ceramic oxide devices |
| 01/15/1991 | US4985802 Cylindrical dielectric |
| 01/08/1991 | US4982485 Method of manufacturing monolithic ceramic capacitor |
| 01/01/1991 | US4982309 Metal, metal oxide |
| 12/27/1990 | EP0403994A1 Capacitive humidity sensor |
| 11/22/1990 | EP0397975A2 Method of making a variable capacitor microphone |
| 10/23/1990 | US4965698 Capacitance humidity sensor |
| 09/25/1990 | US4959652 Coating resin is impregnated with porous conductive layers; removal to expose conductive layer electrodes |
| 09/12/1990 | EP0386821A1 Capacitor and method of making it |
| 09/12/1990 | EP0386119A1 Microelectrochemical devices and method of detecting |
| 09/11/1990 | US4956744 Alternate layers of a dielectric ceramic and a palladium electrode |
| 09/04/1990 | US4954925 Capacitive sensor with minimized dielectric drift |
| 08/14/1990 | US4948515 Filter for liquid and method of filtering liquid |
| 08/08/1990 | EP0380885A1 Capacitive sensor with minimized dielectric drift |
| 07/31/1990 | US4944854 Using corona discharges on packed, tightly wrapped synthetic yarn |
| 07/25/1990 | EP0379066A2 Ceramic cased capacitor |
| 07/04/1990 | EP0375781A1 Electret material and process for preparing electret material |
| 07/03/1990 | US4939620 High-voltage ceramic capacitor and method of its manufacture |
| 06/27/1990 | EP0375508A1 Layered capacitor capable of undergoing a severe electrical treatment, and process for its manufacture |
| 06/26/1990 | US4936956 Microelectrochemical devices based on inorganic redox active material and method for sensing |
| 06/19/1990 | CA2004147A1 Adjustable multilayered capacitor |
| 06/12/1990 | US4933479 Crosslinked polyphosphazenes as piezoelectric materials |
| 06/06/1990 | EP0371319A2 Method of making a film capacitor |
| 06/05/1990 | US4931899 Ceramic cased capacitor |
| 05/31/1990 | WO1990005987A1 Capacitive coupled moisture sensor |
| 05/29/1990 | US4929313 Electrodes, multilayer |
| 05/23/1990 | EP0369032A1 Electret material and method of producing the same |
| 04/25/1990 | EP0364755A2 High voltage through type capacitor and manufacturing method therefor |
| 04/24/1990 | US4920450 Temperature dependent capacitor |
| 04/04/1990 | CN1041061A Piezocapacitor |
| 03/20/1990 | US4910638 Ceramic multilayer capacitor |
| 02/06/1990 | CA1265591A1 Surface mountable electrical package |
| 01/23/1990 | US4895705 Electroactive polymers |
| 01/17/1990 | CN1006502B Process for making polymer film electret |
| 01/09/1990 | US4893214 Capacitance type sensitive element and a manufacturing method thereof |
| 11/30/1989 | WO1989011724A1 Electret material and method of producing the same |
| 11/16/1989 | WO1989011156A1 Electret material and process for preparing electret material |
| 10/24/1989 | US4876150 Langmuir blodgett films |
| 10/17/1989 | US4874659 Electret fiber sheet and method of producing same |
| 10/17/1989 | US4874399 Electret filter made of fibers containing polypropylene and poly(4-methyl-1-pentene) |
| 09/26/1989 | CA1260159A2 Molecule-based microelectronic devices |
| 09/13/1989 | EP0332255A1 Ceramic multilayer capacitor |
| 09/13/1989 | EP0332254A2 Multilayer capacitor |
| 08/08/1989 | US4856102 Adjustable multilayered capacitor |
| 08/02/1989 | EP0326335A2 End connections for wound capacitors and methods of making the same |
| 08/02/1989 | EP0325854A1 Electret filter made of fibers containing polypropylene and poly(4-methyl-1-pentene) |
| 07/05/1989 | EP0323117A2 Filter for liquid and method of filtering liquid |
| 06/28/1989 | EP0322339A2 Protected solder connection and method |
| 06/08/1989 | DE3839956A1 Electret film and process for manufacturing it |
| 05/30/1989 | CA1254854A1 Electret process and products |
| 05/05/1989 | WO1989004061A1 Microelectrochemical devices and method of detecting |
| 04/18/1989 | US4822638 Electronic device fabrication on non-conductive polymer substrate |
| 04/04/1989 | US4819115 End connections for wound capacitors and methods of making the same |
| 04/04/1989 | EP0252929A4 Electrically variable piezoelectric hybrid capacitor. |
| 03/09/1989 | DE3728864A1 Capacitor arrangement |
| 02/21/1989 | US4807085 Nonlinear capacitor for generating high-voltage pulses |
| 02/14/1989 | US4805070 Capacitive coupled moisture sensor |
| 02/14/1989 | US4804805 Protected solder connection and method |
| 02/08/1989 | CN1030998A Variation method of capacitance with changing field intensity between polar plates |
| 01/10/1989 | US4797780 Component with filled layers and electrical contacts and methods for its production |
| 01/04/1989 | EP0160001B1 Particulate-modified electret fibers |
| 12/21/1988 | CN87104208A 驻极型电容器 Electret-type capacitor |
| 12/14/1988 | EP0295082A2 Capacitive structure |
| 12/06/1988 | US4789504 Electretized material for a dust filter |
| 11/30/1988 | EP0293212A2 Nonlinear capacitor for generating high-voltage pulses |
| 11/29/1988 | US4788625 Method of providing a lead to an end of a capacitor and a capacitor manufactured according to this method |
| 11/17/1988 | WO1988009043A1 Current-limiting thin film termination for capacitors |
| 11/16/1988 | CN86102535B Metal-aluminium oxide-silicon construction humidity sensor and its fabricating technology |
| 10/18/1988 | CA1243419A1 Molecule-based microelectronic devices |
| 09/13/1988 | US4771363 Hermetic sealing for film capacitor |
| 08/31/1988 | EP0280485A2 Electret elements |
| 08/25/1988 | WO1988006064A1 Electronic device fabrication by selective doping of a non-conductive polymer |
| 08/23/1988 | CA1241078A1 Method of making ceramic capacitor and resulting article |