发明名称 POSITIONING METHOD OF TWO PLATE FORM BODIES
摘要 PURPOSE:To perform positioning of two plate form bodies by supporting the two palte form bodies respectively provided with fine-gap-form and spot-form marks to a stationary base and a moving base and calculating the required correction amount from the maximum value of photo detection outputs with adjustment of the moving base.
申请公布号 JPS5331972(A) 申请公布日期 1978.03.25
申请号 JP19760106002 申请日期 1976.09.05
申请人 NIPPON TELEGRAPH & TELEPHONE 发明人 ISHIHARA SUNAO;TAKEUCHI NOBUYUKI;YOSHIDA AZUMORI
分类号 H01L21/30;H01L21/027;H01L21/68 主分类号 H01L21/30
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