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Coated article and method of manufacturing the article

  • US 4,777,090 A
  • Filed: 11/03/1986
  • Issued: 10/11/1988
  • Est. Priority Date: 11/03/1986
  • Status: Expired due to Term
First Claim
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1. A coated article comprising:

  • (a) a substrate chosen from the group consisting of soft metals, semiconductors and organic polymers; and

    (b) an adherent, abrasion resistant coating thereon substantially amorphous and consisting essentially of carbon at the substrate-coating interface, graded in composition remote from the substrate-coating interface, and consisting essentially of one or more of C, or silicon dioxide, and mixtures thereof, where the compositionally graded material remote from the substrate-coating interface comprises SiOx where x is from 1.60 to 2.00.

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