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NOVEL METHOD OF DESIGN RULE CHECK FOR OFF-GRID IRREGULAR LAYOUT WITH ON-GRID DESIGN RULE CHECK DECK
NOVEL METHOD OF DESIGN RULE CHECK FOR OFF-GRID IRREGULAR LAYOUT WITH ON-GRID DESIGN RULE CHECK DECK
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机译:带有并网设计规则检查台的离网不规则布局设计规则检查的新方法
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摘要
A method for DRC verification of a design layout file comprising off-grid patterns includes identifying an off-grid pattern having one or more off-grid sides, outwardly expanding the one or more off-grid sides to adjacent grids to obtain a first on-grid pattern, inwardly contracting the expanded one or more sides of the first on-grid pattern to adjacent grids to obtain a second on-grid pattern, and performing a DRC verification on the second on-grid pattern using an existing on-grid DRC deck. The method also includes making a backup copy of the design layout file prior to converting the identified off-grid pattern into an on-grid pattern.
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