| 发明名称 |
Tuning fork flexural quartz resonator |
| 摘要 |
A tuning fork flexural quartz resonator is cut out from a Z plate rotated at 25 DEG -165 DEG around the X-axis as the rotary axis. The resonator with an excellent frequency sensitivity of about -100 ppm/ DEG C. is obtained when the cut angle theta is 120 DEG .
|
| 申请公布号 |
US4472655(A) |
申请公布日期 |
1984.09.18 |
| 申请号 |
US19830478885 |
申请日期 |
1983.03.25 |
| 申请人 |
KABUSHIKI KAISHA DAINI SEIKOSHA |
发明人 |
KAWASHIMA, HIROFUMI |
| 分类号 |
H03H9/215;(IPC1-7):H01L41/08 |
主分类号 |
H03H9/215 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
