H - Electricity – 05 – K
Patent
H - Electricity
05
K
H05K 5/04 (2006.01) C25D 5/10 (2006.01) C25D 7/06 (2006.01) H05K 5/02 (2006.01)
Patent
CA 2143606
A metallic sheet for an electronic housing consisting of a zinc coating on a steel base and a thin metal film, preferably a copper film, covering the zinc coating on one or both sides of tile sheet, and a method of making the metal film. The metal film reduces whispering of the zinc in the zinc coating. Whiskering can also be prevented on other metals anodic to copper such as, for example, tin and cadmium.
Arrowsmith Peter
Phipps P. Beverley P.
Ibm Canada Limited - Ibm Canada Limitee
International Business Machines Corporation
Rosen Arnold
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