SURFACE PROCESSING METHOD FOR A MOLDED METAL HOUSING
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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Abstract
A surface processing method for forming a predetermined pattern on a molded metal housing includes forming an isolation layer related to the predetermined pattern onto the surface of the molded metal housing and etching the surface of the molded metal sheet. The isolation layer is used for defining whether the surface of the molded metal sheet covered by the isolation layer is etched or not.
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Citations
15 Claims
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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:
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(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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification