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Layout data verification method, mask pattern verification method and circuit operation verification method

  • US 20050204327A1
  • Filed: 03/11/2005
  • Published: 09/15/2005
  • Est. Priority Date: 03/11/2004
  • Status: Abandoned Application
First Claim
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1. A mask pattern verification method as a verification method of extracting from a mask pattern a defect that is to cause a problem in fabrication, the mask pattern being one obtained by deforming a mask pattern of a photomask used in a photolithography process so as to provide a transferred image close to a desired design pattern, the verification method comprising the steps of:

  • a step (a) of determining the parameter in the photolithography process;

    a step (b) of simulating the photolithography process on a computer based on the determined parameter;

    a step (c) of checking whether or not the desired design pattern has been obtained; and

    a step (d) of locating a fault point and outputting the result.

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