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Title:
TUNING FORK-TYPE PIEZOELECTRIC VIBRATION PIECE, AND TUNING FORK-TYPE PIEZOELECTRIC VIBRATOR USING SAID TUNING FORK-TYPE PIEZOELECTRIC VIBRATION PIECE
Document Type and Number:
WIPO Patent Application WO/2018/180861
Kind Code:
A1
Abstract:
Both main surface electrodes on the front and back of respective vibration arms are respectively electrically connected via respective through-electrodes penetrating through the front and back surfaces of a base portion. One main surface electrode of both main surface electrodes on the front and back of the respective vibration arms is electrically connected to a side surface electrode via a routing wire formed to pass through a fork portion between the vibration arms, and is electrically connected to the other main surface electrode of both main surface electrodes via the side surface electrode.

Inventors:
YAMASHITA HIROAKI (JP)
Application Number:
PCT/JP2018/011343
Publication Date:
October 04, 2018
Filing Date:
March 22, 2018
Export Citation:
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Assignee:
DAISHINKU CORPORAITION (JP)
International Classes:
H03H9/19; H03H9/215
Foreign References:
JP2010010734A2010-01-14
JP2014107817A2014-06-09
JP2014179706A2014-09-25
JPS5360594A1978-05-31
JP2011216924A2011-10-27
JP2014179902A2014-09-25
Attorney, Agent or Firm:
OKADA Kazuhide (JP)
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