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US07698665B2 Systems, masks, and methods for manufacturable masks using a functional representation of polygon pattern 有权
使用多边形图案的功能表示的可制造掩模的系统,掩模和方法

Systems, masks, and methods for manufacturable masks using a functional representation of polygon pattern
Abstract:
Photomask patterns are represented using contours defined by mask functions or other formats. Given target pattern, contours may be optimized such that defined photomask, when used in photolithographic process, prints wafer pattern faithful to target pattern. Optimized patterns or blocks may be simplified for mask manufacturing.
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