Title:
圧電振動片及び圧電振動子
Document Type and Number:
Japanese Patent JP6571339
Kind Code:
B2
Abstract:
A pair of vibrating arms are arranged side by side in a second direction crossing the first direction, base end sides of which in the first direction are fixed to the base, a pair of inclined surfaces are formed in both sides of the base end of the vibrating arm in the second direction, an end portion in the base end side of an inner inclined surface is connected to an end surface in the tip end side of the base, and an end portion in the base end side of an outer inclined surface is connected to an end surface of the base in the second direction, and the base-end side end portion of the outer inclined surface is arranged closer to the tip end side than the base-end side end portion of the inner inclined surface.
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Inventors:
Naoya Ichimura
Application Number:
JP2015012541A
Publication Date:
September 04, 2019
Filing Date:
January 26, 2015
Export Citation:
Assignee:
SII Crystal Technology Co., Ltd.
International Classes:
H03H9/19; H03H9/215
Domestic Patent References:
| JP2007013382A | ||||
| JP2011019159A | ||||
| JP2011211452A | ||||
| JP2012010253A | ||||
| JP2004357178A | ||||
| JP2014027473A | ||||
| JP2011166324A | ||||
| JP20076375A | ||||
| JP200981521A | ||||
| JP2014175880A | ||||
| JP2014179902A |
Attorney, Agent or Firm:
Noriaki Uchino
Toru Tanikawa
Takuya Shinoda
Toru Tanikawa
Takuya Shinoda