Electronic apparatus casing and electronic apparatus casing prod

Details Electronic apparatus casing and electronic apparatus casing prod Electronic apparatus casing and electronic apparatus casing prod

1998-06-16

1999-12-28

Thibodeau, Paul

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428630, 428632, 428649, 428675, 428428, 428433, B21D 3900, C03C 2702, B32B 1500

Patent

active

060079258

ABSTRACT:
An electronic apparatus casing that includes a casing body made from a magnesium or magnesium alloy material is provided. The external surface of this casing body is protected by a plurality of film layers. Specifically, a first layer of copper is formed on the casing body. Then, a second layer of nickel is formed on the first layer of copper. A third layer of a transparent glass is then formed on the second layer of nickel. Lastly, a fourth layer of silica is formed on the third layer of transparent glass. The combination of these layers functions to exhibit a corrosion resistance, an abrasion resistance as well as an external metallic feeling.

REFERENCES:
patent: 4371573 (1983-02-01), Januschkowetz et al.
patent: 5091224 (1992-02-01), Kushida et al.
patent: 5672433 (1997-09-01), Cook

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