Title:
PIEZOELECTRIC VIBRATOR, METHOD FOR MANUFACTURING PIEZOELECTRIC VIBRATOR, OSCILLATOR, ELECTRONIC DEVICE, AND RADIO-CONTROLLED CLOCK
Document Type and Number:
WIPO Patent Application WO/2010/023732
Kind Code:
A1
Abstract:
This piezoelectric vibrator comprises a tuning-fork piezoelectric vibrating reed including a pair of vibrating arms, a package for housing the piezoelectric vibrating reed, and getter members formed along the length direction of the vibrating arms in the package. The cross-sectional area of an intermediate portion of the getter member adjacent to the center in the length direction of the vibrating member is larger than the cross-sectional area of an end portion of the getter member.
Inventors:
FUKUDA JUNYA (JP)
Application Number:
PCT/JP2008/065251
Publication Date:
March 04, 2010
Filing Date:
August 27, 2008
Export Citation:
Assignee:
SEIKO INSTR INC (JP)
FUKUDA JUNYA (JP)
FUKUDA JUNYA (JP)
International Classes:
H03H3/02; H03H9/02; H03H9/19; H03H9/215
Foreign References:
JP2007311914A | 2007-11-29 | |||
JPS53149794A | 1978-12-27 | |||
JP2003142976A | 2003-05-16 |
Attorney, Agent or Firm:
MATSUSHITA, YOSHIHARU (JP)
Matsushita Yoshiharu (JP)
Matsushita Yoshiharu (JP)
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