Title:
RESONATOR AND ELECTRONIC APPARATUS
Document Type and Number:
Japanese Patent JP2008154240
Kind Code:
A
Abstract:
To provide a small and highly reliable resonator which is manufactured easily, and also to provide an electronic apparatus employing it.
The present invention relates to a resonator comprising two acoustic impedance transducers T1, T2 and a piezoelectric body 20 to which acoustic impedance is applied by these two acoustic impedance transducers T1, T2, wherein at least one of the two acoustic impedance transducers T1, T2 is configured by including a dielectric body 21 of which the dielectric constant is changed by applying a DC voltage and which is disposed so as to be vertically superposed with the piezoelectric body 20, and an intermediate electrode 11 interposed between the dielectric body 21 and the piezoelectric body 20.
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Inventors:
FUKUURA ATSUMI
YOKOTA HIROKO
KISHINO TETSUYA
YOKOTA HIROKO
KISHINO TETSUYA
Application Number:
JP2007324608A
Publication Date:
July 03, 2008
Filing Date:
December 17, 2007
Export Citation:
Assignee:
KYOCERA CORP
International Classes:
H03H9/02; H01G7/06; H01L41/09; H01L41/18; H01L41/22; H01L41/27; H01L41/39; H03H9/17
Domestic Patent References:
| JPS63187713A | 1988-08-03 | |||
| JP2003198319A | 2003-07-11 | |||
| JP2003204239A | 2003-07-18 | |||
| JP2003530705A | 2003-10-14 |
Foreign References:
| WO2001078230A1 | 2001-10-18 |
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