Humidity regulating apparatus for magnetic disk drive

Details Humidity regulating apparatus for magnetic disk drive Humidity regulating apparatus for magnetic disk drive

1988-06-08

1990-10-30

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360137, 236 44R, G11B 5012

Patent

active

049672959

ABSTRACT:
Apparatus for regulating the humidity inside a semi-sealed, partly air-permeable container for a magnetic disk drive. An opening provided in the semi-sealed container is sealed by an insulated humidity regulating element which includes a hydrogen ion conductor (which may be a solid electrolyte) and porous film-like first and second electrodes that are bonded to respective surfaces of both sides of the hydrogen ion conductor. A DC voltage is impressed across both electrodes to regulate the humidity.

REFERENCES:
patent: 3547348 (1970-12-01), Kruper
patent: 3840176 (1974-10-01), Baysinger
patent: 4307425 (1981-12-01), Kaneko et al.
patent: 4620248 (1986-10-01), Gitzendanner
patent: 4642715 (1987-02-01), Ende
patent: 4684510 (1987-08-01), Harkins
patent: 4685303 (1987-08-01), Branc et al.

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