发明名称 Method and apparatus for gating photomask contamination
摘要 A photomask is provided that includes a transparent substrate, a mask pattern formed on a first area of the substrate, the mask pattern having one or more openings that allow light radiation to pass through and having one or more features formed of a first material, and an inspection structure formed on a second area of the substrate different from the first area, the inspection structure being formed of a second material different from the first material.
申请公布号 US8142959(B2) 申请公布日期 2012.03.27
申请号 US20080205168 申请日期 2008.09.05
申请人 CHANG CHIH-WING;TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD. 发明人 CHANG CHIH-WING
分类号 G03F1/00 主分类号 G03F1/00
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