发明名称
摘要 An alignment apparatus in which alignment marks on a mask and a wafer for producing a semiconductor circuit element are photoelectrically read and the positional deviation between the two alignment marks is detected and one of the mask and the wafer is parallel-moved in accordance with the detected amount to align the mask and wafer into a predetermined positional relation. This apparatus has the function of correcting any interval error which may be present between the alignment marks.
申请公布号 JPS6148250(B2) 申请公布日期 1986.10.23
申请号 JP19780021765 申请日期 1978.02.27
申请人 CANON KK 发明人 KATO JUZO;OGINO YASUO;HIRAGA RYOZO;YOSHINARI HIDEKI;TOTSUKA MASAO;KANO ICHIRO;SUZUKI AKYOSHI
分类号 H01L21/30;G03F9/00;H01L21/027;H01L21/67;H01L21/68 主分类号 H01L21/30
代理机构 代理人
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