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US 2010/0072076 A1Published application
Surface treatment method for housings
AssigneesShenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
InventorsFA-HONG ZENG, XIAO-MING ZHU, JIAN-BIN ZHAO, HAI-TAO LUO
Life of this patent
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Abstract
A surface treatment method for housings, comprising: providing a substrate made of damascus steel; and chemically etching the substrate using inorganic acid solution or inorganic salts solution to give the substrate a patterned appearance.
Claims20
A surface treatment method for housings, comprising:
- providing a substrate made of damascus steel;
- and
- chemically etching the substrate using an inorganic acid solution to give the substrate a patterned appearance.
A surface treatment method for housings, comprising:
- providing a substrate made of damascus steel;
- and
- chemically etching the substrate using inorganic salts solution to give the substrate a patterned appearance.
Dependencies are inferred from the claim text.