Dehumidifier for magnetic disc apparatus

Details Dehumidifier for magnetic disc apparatus Dehumidifier for magnetic disc apparatus

1988-11-07

1991-04-30

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

236 44E, G11B 3314

Patent

active

050123602

ABSTRACT:
The present invention relates to a magnetic disc apparatus having a dehumidifying element for removing the moisture flowing from a vent into the apparatus, and the magnetic disc apparatus according to the present invention is provided with a dehumidifying element having a humidity controlling element comprising a hydrogen ion conductor and a pair of porous filmy electrodes which sandwich the conductor therebetween. Applying the voltage to the humidity controlling element, the moisture in the apparatus, after contacting the electrode provided on the central side of the apparatus, is supplied to a hydrogen ion conductor and electrolyzed. The hydrogen ions obtained by electrolysis move toward the electrode provided on the peripheral side of the apparatus, where at least either of the hydrogen or water is evolved to advance the dehumidification in the apparatus. Thus the magnetic disc apparatus according to the present invention is capable of resolving and removing stably the moisture in the apparatus and keeping a constant humidity in the apparatus irrespective of the humidity in the outside air.

REFERENCES:
patent: 2687342 (1954-08-01), Strange et al.
patent: 3056935 (1962-10-01), Jensen
patent: 3992271 (1976-11-01), Danzig et al.
patent: 4039409 (1977-08-01), La Conti et al.
patent: 4620248 (1986-10-01), Gitzendanner
patent: 4831475 (1989-05-01), Kakuda et al.

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