Anodized aluminum electronic package components

Details Anodized aluminum electronic package components Anodized aluminum electronic package components

H - Electricity

01

L

H01L 23/06 (2006.01) C25D 11/14 (2006.01) H05K 3/44 (2006.01)

Patent

CA 2088165

2088165 9203846 PCTABS00011 A process for producing electronic package components (12, 14) from an aluminum alloy is disclosed. The components have a black color through integral color anodization. The desired color, thickness and surface finish are achieved by regulation of amperage (36). The amperage (36) is rapidly raised to in excess of 8.61 A/dm2 (80 amps per square foot) and then allowed to gradually decrease as a function of oxide growth.

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