发明名称 SEMICONDUCTOR DEVICE
摘要 PURPOSE:To control threshold voltage is desired by providing grooves having desired sloped surfaces with respect to substrate main surface between source and drain regions.
申请公布号 JPS5332681(A) 申请公布日期 1978.03.28
申请号 JP19760106310 申请日期 1976.09.07
申请人 TOKYO SHIBAURA ELECTRIC CO 发明人 SASAKI ISAO
分类号 H01L29/78;H01L29/423 主分类号 H01L29/78
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