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US 2013/0093299 A1Published application
Electronic device case and surface treatment method thereof
AssigneeSamsung Electronics Co., Ltd.
InventorsSung-Ho CHO, Woon-Sik LEE
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Abstract
An electronic device case and a surface treatment method thereof are provided in which an exterior case is diecast of an aluminum alloy, an aluminum alloy layer is deposited on an outer surface of the exterior case, an oxidized coating layer is formed on a surface of the aluminum alloy layer, and a sealing layer is formed atop the oxidized coating layer and may seal pores therein. A pigment colored layer may be formed between the oxidized coating layer and the sealing layer.
Claims19
An electronic device case comprising:
- an exterior case diecast of an aluminum alloy;
- an aluminum alloy layer formed on an outer surface of the exterior case;
- an oxidized coating layer formed on a surface of the aluminum alloy layer;
- and
- a sealing layer atop a surface of the oxidized coating layer.
2 more elements
A method for producing an electronic device case, the method 10 comprising:
- diecasting an exterior case of an aluminum alloy;
- forming an aluminum alloy layer on a surface of the diecast aluminum alloy;
- forming an oxidized coating layer on a surface of the aluminum alloy layer by anode-oxidizing the surface of the aluminum alloy layer;
- and
- forming a sealing layer atop the oxidized coating layer.
2 more elements
Dependencies are inferred from the claim text.