发明名称 Optical proximity correction photomasks
摘要 An optical proximity correction photomask comprises a transparent substrate, a main feature having a first transmitivity disposed on the transparent substrate and at least one assist feature having a second transmitivity disposed beside the main feature and on the transparent substrate, wherein the first transmitivity is not equal to the second transmitivity.
申请公布号 US2007082275(A1) 申请公布日期 2007.04.12
申请号 US20050245522 申请日期 2005.10.07
申请人 TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. 发明人 CHANG CHING-YU
分类号 G03F1/00 主分类号 G03F1/00
代理机构 代理人
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