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
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