发明名称 |
Vibrating reed, vibrator, oscillator, and electronic device |
摘要 |
A vibrating reed which includes a base; and a vibration arm section formed so as to protrude from this base wherein a through groove is formed in the vibration arm section, and a rigidity reinforcing section is provided in the through groove, and thus the frequency is not decreased and the CI value is not increased.
|
申请公布号 |
US6897737(B2) |
申请公布日期 |
2005.05.24 |
申请号 |
US20030672597 |
申请日期 |
2003.09.26 |
申请人 |
SEIKO EPSON CORPORATION |
发明人 |
SAKATA JUNICHIRO;KITAMURA FUMITAKA;TANAYA HIDEO |
分类号 |
H01L41/09;H03B5/30;H03H9/15;H03H9/19;H03H9/21;H03H9/215;(IPC1-7):H03B5/30 |
主分类号 |
H01L41/09 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|