Patent · US Active

Method for compensating for variations in structures of an integrated circuit

US8458628B2 · kind B2 · utility

1Cited by
8References
22Claims
0Family size

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Key dates

Filing dateMar 6, 2012
Grant dateJun 4, 2013
Priority date
Expiry dateMar 6, 2032

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F1/36
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method of for compensating for variations in structures of an integrated circuit. The method includes (a) selecting a mask design shape and selecting a region of the mask design shape; (b) applying a model-based optical proximity correction to all of the mask design shape; and after (b), (c) applying a rules-based optical proximity correction to the selected region of the mask design shape.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.