Title:
A crystal oscillator provided with a crystal oscillating element and this crystal oscillating element
Document Type and Number:
Japanese Patent JP6268629
Kind Code:
B2
Abstract:
A crystal vibration element that includes a crystal piece that has a prescribed crystal orientation, and a first direction and a second direction in a plan view thereof; and excitation electrodes that are respectively provided on front and rear surfaces of the crystal piece in order to excite a thickness shear vibration in the crystal piece upon application of an alternating electric field. A vibration distribution of the crystal piece has a vibration region that extends in a band-like shape in the second direction of the crystal piece and non-vibration regions that are adjacent to opposed sides of the vibration region in the first direction of the crystal piece.
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Inventors:
Toru Kizu
Takashi Hase
Takeshi Kamata
Hiroaki Kaida
Shigeaki Sugimura
Takashi Hase
Takeshi Kamata
Hiroaki Kaida
Shigeaki Sugimura
Application Number:
JP2017519950A
Publication Date:
January 31, 2018
Filing Date:
October 07, 2016
Export Citation:
Assignee:
MURATA MANUFACTURING CO.,LTD.
International Classes:
H03H9/19
Domestic Patent References:
| JP61147613A | ||||
| JP51086977U | ||||
| JP2013192052A | ||||
| JP63221706A | ||||
| JP60160633U | ||||
| JP56077129U | ||||
| JP2009044237A | ||||
| JP2011151667A |
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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