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Patent Searching and Data


Title:
CRYSTAL OSCILLATOR
Document Type and Number:
WIPO Patent Application WO/2021/260978
Kind Code:
A1
Abstract:
This crystal oscillator is provided with a crystal piece, a pair of excitation electrodes formed on a first main surface of the crystal piece and a second main surface thereof on the opposite side to the first main surface, a pair of connection pads which are electrically connected to each of the pair of excitation electrodes, and a base board which includes a pair of external electrodes electrically connected to each of the pair of connection pads, and which supports the crystal piece in an excitable manner, wherein: each of the pair of connection pads includes a first protuberance; the base board includes second protuberances which are provided to correspond to the first protuberances, and which are electrically connected to each of the pair of external electrodes; and the first protuberances and the second protuberances are joined to one another with an electrically conductive holding member interposed therebetween.

Inventors:
IWASHITA NORIO (JP)
YAMAMOTO HIROYUKI (JP)
HIRAKA AKIHIRO (JP)
KIZU TORU (JP)
KAIDA HIROAKI (JP)
OOI YUUKI (JP)
Application Number:
PCT/JP2021/000280
Publication Date:
December 30, 2021
Filing Date:
January 07, 2021
Export Citation:
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Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H03H9/10; H03H9/19
Foreign References:
JP2008252795A2008-10-16
US20170005636A12017-01-05
JP2007096528A2007-04-12
JP2011205426A2011-10-13
JPH1022776A1998-01-23
JP2011205429A2011-10-13
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (JP)
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