Method for manufacturing an enclosed disk drive

Details Method for manufacturing an enclosed disk drive Method for manufacturing an enclosed disk drive

1995-05-22

1999-12-14

Vo, Peter

Metal working

Method of mechanical manufacture

Electrical device making

2960308, 360137, G11B 5127

Patent

active

060001216

ABSTRACT:
The inside wall of a head/disk enclosure is given a surface broad enough to adsorb and release easily a large amount of water vapor. In a first embodiment, the inside surface is treated by anodic oxidation using oxalic acid. In a second embodiment, the inside surface is treated with sodium carbonate and sodium chromate. In a third embodiment, the surface was etched with acid. The water adsorption capability acts as a buffer to is prevent extremes of relative humidity within the enclosure.

REFERENCES:
patent: 4578156 (1986-03-01), Plazter
patent: 4967295 (1990-10-01), Yamauchi et al.
patent: 5012360 (1991-04-01), Yamauchi et al.
patent: 5023739 (1991-06-01), Shinohara et al.
patent: 5059291 (1991-10-01), Yamauchi et al.
patent: 5075807 (1991-12-01), Inoue et al.
patent: 5108812 (1992-04-01), Takahashi et al.

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