Electricity: electrical systems and devices – Electrostatic capacitors – Variable
Reexamination Certificate
2006-07-25
2006-07-25
Dinkins, Anthony (Department: 2831)
Electricity: electrical systems and devices
Electrostatic capacitors
Variable
C361S278000, C361S287000
Reexamination Certificate
active
07082024
ABSTRACT:
A variable capacitor having a groove portion formed 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 flexible conductive membrane, placed above the groove portion by bearing on the edges, a dielectric layer covering the conductive layer or the membrane to insulate the conductive layer and the membrane, and terminals of application of a voltage between the conductive layer and the membrane, and such that the depth of the groove portion continuously increases from one of the edges to the bottom of the groove portion, and that the conductive layer covers the inside of the groove portion at least to reach one of the two edges, that it may cover.
REFERENCES:
patent: 3993939 (1976-11-01), Slavin et al.
patent: 4369483 (1983-01-01), Shirakawa
patent: 4944187 (1990-07-01), Frick et al.
patent: 5559665 (1996-09-01), Taranowski et al.
patent: 5884378 (1999-03-01), Dydyk
patent: 6046659 (2000-04-01), Loo et al.
patent: 6738484 (2004-05-01), Nakabayashi
patent: 43 02 204 (1993-09-01), None
French Search Report from a corresponding French Application 03/50911, filed Nov. 23, 2003.
Patent Abstracts of Japan, vol. 1998, No. 11, Sep. 30, 1998 & JP 10 154456, Omron Corp, Jun. 9, 1998.
Patent Abstracts of Japan, vol. 1998, No. 12, Dec. 26, 1996 & JP 08 213282, Murata Mfg. Co. Ltd, Aug. 20, 1996.
Bouche Guillaume
Casset Fabrice
Maurice Rivoire
Commissariat a l'Energie Atomigue
Dinkins Anthony
Morris James H.
STMicroelectronics S.A.
Wolf Greenfield & Sacks P.C.
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