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SURFACE PROCESSING METHOD FOR A MOLDED METAL HOUSING

  • US 20040056000A1
  • Filed: 01/06/2003
  • Published: 03/25/2004
  • Est. Priority Date: 09/20/2002
  • Status: Abandoned Application
First Claim
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1. A surface processing method for forming a predetermined pattern on a metal housing, the metal housing being molded into a predetermined shape in advance, the surface processing method comprising following steps:

  • (a)covering a surface of the metal housing with an isolation layer corresponding to the predetermined pattern;

    (b)soaking the metal housing in an etching solution for etching parts of the surface of the metal housing which are not covered by the isolation layer; and

    (c)removing the isolation layer and the etching solution from the surface of the metal housing.

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