Methods for generating a mask pattern

Embodiments of the present disclosure provide a method of generating mandrel patterns. A mandrel pattern is generated by constructing a boundary box, initiating a plurality of lead mandrels, and extending the lead mandrels across the boundary box. When a pattern region includes holes, portions of ma...

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Bibliographic Details
Main Authors CHIANG, CHIA-PING, GAU, TSAI-SHENG, CHIH, MING-HUI, WANG, TSUNG-YU, CHENG, NIAN-FUH, HUANG, WENUN
Format Patent
LanguageChinese
English
Published 01.04.2019
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Summary:Embodiments of the present disclosure provide a method of generating mandrel patterns. A mandrel pattern is generated by constructing a boundary box, initiating a plurality of lead mandrels, and extending the lead mandrels across the boundary box. When a pattern region includes holes, portions of mandrels are removed from the holes after extension of the leading mandrels.
Bibliography:Application Number: TW20176140926