| 发明名称 |
FREQUENCY CONTROL METHOD OF CRYSTAL VIBRATOR |
| 摘要 |
PURPOSE:To make the frequency control of vibrators efficient by controlling an evaporation quantity by a tape-shaped evaporation mask under the crystal plate state where plural vibrators are formed. |
| 申请公布号 |
JPS53104191(A) |
申请公布日期 |
1978.09.11 |
| 申请号 |
JP19770018988 |
申请日期 |
1977.02.23 |
| 申请人 |
SUWA SEIKOSHA KK |
发明人 |
TAKEMOTO FUMIO |
| 分类号 |
C23C14/14;C23C14/54;H03B5/32;H03H3/04 |
主分类号 |
C23C14/14 |
| 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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