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Title:
PIEZOELECTRIC OSCILLATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/149541
Kind Code:
A1
Abstract:
The piezoelectric oscillation device is equipped with at least a core (5). The core (5) includes: a crystal oscillator (50) which has a three-layer structure and in which an oscillation part (11) is hermetically sealed; and a heater IC (52) that serves as a heating element. The entirety of a second main surface (302) of at least a second sealing member (30) of the crystal oscillator (50) is thermally coupled to the heater IC (52).

Inventors:
KOJO TAKUYA (JP)
Application Number:
PCT/JP2021/048747
Publication Date:
July 14, 2022
Filing Date:
December 28, 2021
Export Citation:
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Assignee:
DAISHINKU CORP (JP)
International Classes:
H03B5/32; H03H9/02
Foreign References:
JP2015139053A2015-07-30
JP2010283475A2010-12-16
JP2018196105A2018-12-06
JP2005165630A2005-06-23
JP2018014705A2018-01-25
Attorney, Agent or Firm:
ARC PATENT ATTORNEYS' OFFICE (JP)
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