CAPACITANCE ELEMENT AND RESONANCE CIRCUIT

Japanese Patent JP2015207770

A

PROBLEM TO BE SOLVED: To stably manufacture a capacitance element that suppresses capacitance variation due to misalignment of electrodes that face each other across a dielectric layer so as to have a desired capacitance.SOLUTION: A capacitance element comprises: a dielectric layer 10; a first electrode formed on an upper surface 10a of the dielectric layer 10; and a lower electrode 12 formed on a lower surface 10b opposite to the upper surface 10a of the dielectric layer 10. An upper electrode 11 and the lower electrode 12 are shaped to ensure that the area of a counter electrode region between the first electrode 11 and the second electrode 12 does not vary, even if the upper electrode 11 is misaligned with respect to the lower electrode 12 relatively in a predetermined direction. Even if misalignment occurred, a projected pattern when an electrode portion 11a is projected on a plane on the opposite side and a terminal portion 12b do not overlap with each other, and a projected pattern when a terminal portion 11b is projected on a plane on the opposite side and an electrode portion 12a do not overlap each other.

WO/2002/084858	TUNABLE VOLTAGE-CONTROLLED TEMPERATURE-COMPENSATED CRYSTAL OSCILLATOR
JPH05315182	MANUFACTURE OF CAPACITY DEVICE

KANNO MASAKI
YOKOTA TOSHIAKI
HANYU KAZUTAKA
WATANABE MAKOTO
SATO NORITAKA

JP2015112882A

November 19, 2015

June 03, 2015

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DEXERIALS CORP

H01G7/06

JP2004319596A	2004-11-11
JPS5927517A	1984-02-14
JPS55169843U	1980-12-05
JP2006173270A	2006-06-29
JP2000021677A	2000-01-21
JP2005142587A	2005-06-02
JPH11297509A	1999-10-29
JPH07240339A	1995-09-12
JPS5475935U	1979-05-30
JPH08191034A	1996-07-23
JP2006080479A	2006-03-23
JP2000106322A	2000-04-11
JP2004047707A	2004-02-12

Akira Koike
Seiji Iga

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