Title:
圧電振動子及びその製造方法
Document Type and Number:
Japanese Patent JP7273377
Kind Code:
B2
Abstract:
A piezoelectric vibrator having a piezoelectric vibration element that includes a piezoelectric piece and a pair of electrodes that face each other with the piezoelectric piece interposed therebetween; a holder that accommodates the piezoelectric vibration element; a resin layer covering at least one electrode of the pair of electrodes; and a water-repellent layer, which has a lower moisture permeability than the resin layer, between the electrode and the resin layer.
Inventors:
Shigeo Ojima
After Masaki
After Masaki
Application Number:
JP2021548325A
Publication Date:
May 15, 2023
Filing Date:
May 14, 2020
Export Citation:
Assignee:
MURATA MANUFACTURING CO.,LTD.
International Classes:
H03H9/19; H01L23/10; H03H3/02; H03H9/10; H10N30/03; H10N30/06; H10N30/20; H10N30/87; H10N30/88
Domestic Patent References:
| JP57107624A | ||||
| JP2010232806A | ||||
| JP2003198312A | ||||
| JP62165421A | ||||
| JP1141051A |
Attorney, Agent or Firm:
Yoshiyuki Inaba
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Mutsumi Sato
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Mutsumi Sato
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