发明名称 SEMICONDUCTOR DEVICE
摘要 <p>PURPOSE:To reduce the amount of using Au and perform accurate pattern identification by forming an annular ring electrode with a Pt layer which makes specular reflection and encircling detecting pattern region with an Au layer which makes irregular reflection, over a part thereof.</p>
申请公布号 JPS52115178(A) 申请公布日期 1977.09.27
申请号 JP19760031222 申请日期 1976.03.24
申请人 HITACHI LTD 发明人 ASHIKAWA KAZUTOSHI;KATOU HIROSHI
分类号 H01L21/60;G05D3/00;G05D3/12;H01L23/48 主分类号 H01L21/60
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