| 发明名称 |
TUNING-FORK TYPE CRYSTAL RESONATOR PLATE AND CRYSTAL RESONATOR DEVICE |
| 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. |
| 申请公布号 |
US2016308510(A1) |
申请公布日期 |
2016.10.20 |
| 申请号 |
US201414782986 |
申请日期 |
2014.03.12 |
| 申请人 |
ISHINO Satoru;SAKAMOTO Yoshinobu |
发明人 |
ISHINO Satoru;SAKAMOTO Yoshinobu |
| 分类号 |
H03H9/21;H03H9/13 |
主分类号 |
H03H9/21 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A tuning-fork type crystal resonator plate, comprising:
a base portion; and a pair of leg portions protruding from the base portion in one direction, wherein a groove and a bank portion are formed on at least one of main surfaces of each of the leg portions, wherein the bank portion is formed accompanied by the formation of the groove, and wherein a width of the bank portion differs along a thickness direction and the bank portion is constituted by a thick portion having a large width and a thin portion having a small width. |
| 地址 |
Kakogawa-shi JP |
