Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1990-01-03
1991-12-17
Beck, Shrive
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
427 42, 427 50, 427250, 427404, 427405, 20419231, C23C 1432, C23C 1430, C23C 1416
Patent
active
050734032
ABSTRACT:
The invention relates to a plated steel sheet for cans which must have high workability and corrosion resistance and can prevent bimetallic corrosion and a method of manufacturing the same. The plated steel sheet is manufactured by forming an electroplated chromium layer on the surface of a steel, removing a hydrated chromium oxide layer formed on the surface of the chromium layer, and forming an aluminum plating layer, so that the electroplated chromium layer and the aluminum plating layer are stacked in direct contact with each other. Another plated steel sheet is manufactured by forming a vacuum deposited chromium layer on the surface of a steel, and forming an aluminum plating layer.
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patent: 3653852 (1972-04-01), Seiler
patent: 3986940 (1976-10-01), Takano et al.
patent: 4361114 (1982-11-01), Gurev
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patent: 4519879 (1985-05-01), Ichida et al.
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patent: 4963440 (1990-10-01), Shimogori et al.
Bunshah et al., Deposition Technologies for Films and Coatings, (Noyes Publications, Park Ridge, N.J.), c. 1982, pp. 267-268.
Shunzo Miyazaki, "Internal Corrosion of Food Cans" in Iron and Steel;, vol. 73, No. 3, 1987.
Kagechika Hiroshi
Kibe Hiroshi
Mishima Tadahiko
Beck Shrive
Burke Margaret
NKK Corporation
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