Hexagonal diamond bulk sintered body and its manufacturing method

  • US 10,167,569 B2
  • Filed: 02/06/2013
  • Issued: 01/01/2019
  • Est. Priority Date: 08/16/2012
  • Status: Active Grant
First Claim
Patent Images

1. A method of manufacturing a bulk sintered body of pure single-phase hexagonal diamond, wherein highly oriented and highly crystallized graphite having a mosaic spread of 5°

  • or less kept at a temperature ranging from 1000 to 1500°

    C. and at a pressure of at least 21 GPa for a time period ranging from 1 to 60 min.

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