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Patent Searching and Data


Title:
VARIABLE CAPACITANCE CAPACITOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2003/034452
Kind Code:
A1
Abstract:
A variable capacitance capacitor device being fabricated by micro electromechanical system technology, comprising an insulating substrate (2) having one side (2a) on which at least two capacitor electrodes (3, 4) are formed while being insulated from each other, an actuator (5) formed of an insulating material to have an external shape straddling respective capacitor electrodes (3, 4) with a conductor (6) being formed to constitute capacitors between the conductor (6) and the capacitor electrodes (3, 4), and a drive means (7) for touching&sol separating the actuator (5) to&sol from one major surface (2a) of the insulating substrate (2).

Inventors:
NAKAYAMA NORIKAZU (JP)
Application Number:
PCT/JP2002/010485
Publication Date:
April 24, 2003
Filing Date:
October 09, 2002
Export Citation:
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Assignee:
SONY CORP (JP)
NAKAYAMA NORIKAZU (JP)
International Classes:
H01G5/00; B81B3/00; H01G5/16; H01G7/00; (IPC1-7): H01G5/16
Foreign References:
JPH09153436A1997-06-10
JPH0982569A1997-03-28
Attorney, Agent or Firm:
Koike, Akira (Yamato Seimei Bldg. 1-7 Uchisaiwai-ch, 1-chome Chiyoda-ku Tokyo, JP)
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