Method of making an electronic apparatus casing

Details Method of making an electronic apparatus casing Method of making an electronic apparatus casing

1997-11-20

2000-04-25

Talbot, Brian K.

Coating processes

Electrical product produced

Metal coating

427307, 427328, 4273978, 427405, 427437, 4274431, 427305, B05D 512

Patent

active

060541741

ABSTRACT:
A method for producing an electronic apparatus casing including: a step of forming a copper layer by way of non-electrolytic plating onto a casing body made from a magnesium or magnesium alloy material shaped into a predetermined configuration; a step of forming a nickel layer on the copper layer by way of non-electrolytic plating; a step of carrying out a surface grinding and a honing to the nickel layer; a step of forming a hard transparent glass layer by using a colloid solution containing SiO.sub.2 and Na.sub.2 O; and a step of forming a silica layer on the hard glass layer by using a partially hydrolyzed solution of an organic silicate ester.

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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