Metal Surface and Process for Treating a Metal Surface
First Claim
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1. A method of treating a metal surface of an article comprising:
- providing an article having a metal surface;
anodizing the metal surface to create an oxide layer on the metal surface, the oxide layer having pores therein; and
performing a metal deposition process to deposit at least a first metal and a second metal within the pores of the oxide layer on at least a portion of the metal surface,wherein the first metal and the second metal are different metals.
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Abstract
An article having a metal surface is treated to have one or more desired effects, such as desired functional properties or a desired cosmetic appearance. The surface is anodized to create an oxide layer having pores therein and a metal deposition process is performed to deposit multiple different metals within the pores. A pretreatment act, such as degreasing, chemical etching, chemical polishing, and desmutting can also be conducted on the surface prior to anodization. The surface can also be dyed, sealed, and polished.
32 Citations
25 Claims
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1. A method of treating a metal surface of an article comprising:
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providing an article having a metal surface; anodizing the metal surface to create an oxide layer on the metal surface, the oxide layer having pores therein; and performing a metal deposition process to deposit at least a first metal and a second metal within the pores of the oxide layer on at least a portion of the metal surface, wherein the first metal and the second metal are different metals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An article of manufacture, comprising:
a metal surface including an oxide layer having pores that are at least partially filled with a first deposited metal and a second deposited metal. - View Dependent Claims (18, 19, 20)
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21. A method of treating an aluminum surface of a component for an electronic device comprising:
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providing a component for an electronic device having an aluminum surface; anodizing the surface in a sulfuric acid bath to create an oxide layer having pores therein; drying the oxide layer surface; performing a metal deposition process to deposit nickel and tin at the bottom of the pores; dyeing both the oxide layer and the deposited materials; and sealing the nickel and the tin within the pores. - View Dependent Claims (22, 23, 24, 25)
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Specification