发明名称 |
Resonator element, resonator, oscillator, and electronic device |
摘要 |
A resonator element capable of improving impact resistance is provided. A quartz crystal resonator element is a resonator element formed by etching a Z plate which is cut at predetermined angles with respect to the crystal axes of a quartz crystal. The quartz crystal resonator element includes a base, a pair of resonating arms extending from the base in the Y-axis direction, and a positive X-axis notch and a negative X-axis notch formed by notching the base in the X-axis direction. The positive X-axis notch is formed by notching the base from the negative side of the X axis towards the positive side so that the width of the positive X-axis notch increases as it approaches the outer circumference. |
申请公布号 |
US8283988(B2) |
申请公布日期 |
2012.10.09 |
申请号 |
US201113030449 |
申请日期 |
2011.02.18 |
申请人 |
YAMADA AKINORI;YOSHIDA SHUHEI;SEIKO EPSON CORPORATION |
发明人 |
YAMADA AKINORI;YOSHIDA SHUHEI |
分类号 |
H03B5/30 |
主分类号 |
H03B5/30 |
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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