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Method of selectively depositing a metal on a surface of a substrate

  • US 4,096,043 A
  • Filed: 07/11/1977
  • Issued: 06/20/1978
  • Est. Priority Date: 07/11/1977
  • Status: Expired due to Term
First Claim
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1. A method of selectively depositing a metal on a surface of a substrate which comprises:

  • (a) treating the surface with a desensitizer comprising hydrazine;

    (b) selectively exposing said desensitizer-treated surface to a source of ultraviolet radiation to render a selected area thereof incapable of desensitizing a sensitizing species; and

    (c) treating said radiation-exposed surface with a sensitizing species to sensitize said selected area.

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