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Diamond having multiple coatings and methods for their manufacture

  • US 5,224,969 A
  • Filed: 04/13/1992
  • Issued: 07/06/1993
  • Est. Priority Date: 07/20/1990
  • Status: Expired due to Fees
First Claim
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1. A diamond element having good bonding properties, comprising:

  • a. a diamond substrate;

    b. a first layer bonded to said diamond substrate;

    c. a second layer bonded to said first layer; and

    d. a third layer bonded to said second layer, said first layer including chromium carbide, said third layer including a transition element and said second layer including an element selected from the group consisting of titanium, vanadium, zirconium, niobium, tantalum, iron/ cobalt, nickel and copper.

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