发明名称 |
SEMICONDUCTOR DEVICE |
摘要 |
PURPOSE:To increase the degree of freedom of design and obtain a semiconductor device suitable as a CMOS circuit used for electronic wristwatches by forming FETs of varying threshold voltages on the same substrate without increasing production processes. |
申请公布号 |
JPS52142974(A) |
申请公布日期 |
1977.11.29 |
申请号 |
JP19760059115 |
申请日期 |
1976.05.24 |
申请人 |
HITACHI LTD |
发明人 |
MEGURO RIYOU;NAGASAWA KOUICHI |
分类号 |
H01L21/8238;H01L27/092;H01L29/78 |
主分类号 |
H01L21/8238 |
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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