Title:
CAPACITANCE ELEMENT AND RESONANCE CIRCUIT
Document Type and Number:
Japanese Patent JP2012216880
Kind Code:
A
Abstract:
To provide a capacitative device capable of accurately securing a capacitance value, a variable capacitative device capable of sufficiently securing a capacity variability rate, and a resonance circuit that uses the capacitative devices.
A capacitative device according to the present invention includes: a capacitative device body constituted of a dielectric layer and at least a pair of capacitative device electrodes that sandwich the dielectric layer and cause a desired electric field in the dielectric layer; and stress adjustment portions to adjust a stress caused in the dielectric layer of the capacitative device body.
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Inventors:
SATO NORITAKA
KANNO MASAKI
YAJIMA SHOICHI
KANNO MASAKI
YAJIMA SHOICHI
Application Number:
JP2012180539A
Publication Date:
November 08, 2012
Filing Date:
August 16, 2012
Export Citation:
Assignee:
SONY CORP
International Classes:
H01G7/06
Attorney, Agent or Firm:
Shinto International Patent Office
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