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System and method for selection of a reference die

  • US 20010028734A1
  • Filed: 05/03/2001
  • Published: 10/11/2001
  • Est. Priority Date: 03/17/1999
  • Status: Abandoned Application
First Claim
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1. A system for selection of a reference die image comprising:

  • a die image comparator operable to create a difference image based upon a first die image and a second die image; and

    a difference image analysis system coupled to the die image comparator, the difference image analysis system operable to analyze the difference image and to determine whether the first die image and the second die image may each be used as the reference die image.

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