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Die

  • US 10,510,677 B2
  • Filed: 08/21/2018
  • Issued: 12/17/2019
  • Est. Priority Date: 01/02/2017
  • Status: Active Grant
First Claim
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1. A die, comprising:

  • mark patterns in three corners of the die and only an anchor pattern in one corner of the die, wherein the anchor pattern is different from the mark patterns.

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