发明名称 |
Piezoelectric resonator element, piezoelectric resonator, and piezoelectric oscillator |
摘要 |
Aspects of the invention provide piezoelectric resonator element having a plurality of grooves for suppressing propagation of the thickness shear vibration from the center portion to the outer peripheral portion of the main surface being placed in enclosure-like shapes surrounding the center portion of at least one of the main surfaces.
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申请公布号 |
US2005200240(A1) |
申请公布日期 |
2005.09.15 |
申请号 |
US20050048936 |
申请日期 |
2005.02.03 |
申请人 |
SEIKO EPSON CORPORATION |
发明人 |
TANAKA MASAKO |
分类号 |
H01L41/08;H03H9/15;(IPC1-7):H01L41/08 |
主分类号 |
H01L41/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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