Title:
圧電共振素子及びそれを用いた圧電共振装置
Document Type and Number:
Japanese Patent JP4567742
Kind Code:
B2
Abstract:
There is provided a piezoelectric resonant element having excellent electrical characteristics in which spurious is suppressed. The piezoelectric resonant element (10) is constituted by sticking a pair of oscillatory electrodes (12, 13), respectively, to both major surfaces of a rectangular piezoelectric substrate (11). In the nonopposing regions of both the oscillatory electrodes (12, 13), extending portions (12c, 13c) are provided to extend in the opposite directions outward from the center X of the opposing region.
Inventors:
Junji Furue
Murahashi Masato
Yuji Hata
Murahashi Masato
Yuji Hata
Application Number:
JP2007533070A
Publication Date:
October 20, 2010
Filing Date:
August 30, 2005
Export Citation:
Assignee:
Kyocera Corporation
International Classes:
H03H9/17; H03H9/02
Domestic Patent References:
| JPS5127736Y2 | 1976-07-13 | |||
| JP2000134060A | 2000-05-12 | |||
| JP2004228674A | 2004-08-12 | |||
| JPH0488113U | 1992-07-30 | |||
| JPH04135017U | 1992-12-16 | |||
| JPH0472721U | 1992-06-26 |
Attorney, Agent or Firm:
Inaoka cultivation
Mio Kawasaki
Maruyama Ondo
Mio Kawasaki
Maruyama Ondo