发明申请
- 专利标题： TUNING-FORK TYPE CRYSTAL RESONATOR PLATE AND CRYSTAL RESONATOR DEVICE
- 专利标题（中）： 调谐型晶体谐振器板和晶体谐振器器件
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申请号： US14782986申请日： 2014-03-12
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公开(公告)号： US20160308510A1公开(公告)日： 2016-10-20
- 发明人: Satoru ISHINO , Yoshinobu SAKAMOTO
- 申请人： Satoru ISHINO , Yoshinobu SAKAMOTO
- 优先权： JP2013-083066 20130411
- 国际申请： PCT/JP2014/056506 WO 20140312
- 主分类号： H03H9/21
- IPC分类号： H03H9/21 ; H03H9/13
摘要：
A tuning-fork type crystal resonator plate includes a base portion and a pair of leg portions protruding from the base portion in one direction. A groove and a bank portion are formed on at least one of main surfaces of each of the leg portions. The bank portion is formed accompanied by the formation of the groove, and a width of the bank portion differs along a width direction. The bank portion is constituted by a thick portion having a large width and a thin portion having a small width.
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