Magnetic head cleaning diskette

Details Magnetic head cleaning diskette Magnetic head cleaning diskette

1982-05-10

1985-05-07

Cardillo, Jr., Raymond F.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360128, 360137, G11B 5012, G11B 541

Patent

active

045161763

ABSTRACT:
A disk having a thin flexible platter with a mildly abrasive coating on at least one side thereof for contacting and cleaning a magnetic head. The coating includes magnetite (Fe.sub.3 O.sub.4) having an internal crystalline form in the shape of octahedral crystals, conductive carbon black, a dispersing agent, a binder system, a cross-linker, and a lubricant. Since the magnetite is highly magnetic, data can be magnetically recorded on the coating for programming the magnetic head to be cycled across the coating to ensure a thorough cleaning of the head.

REFERENCES:
patent: 3978520 (1976-08-01), Nowicki et al.
patent: 3996095 (1976-12-01), Ahn et al.
patent: 4106067 (1978-08-01), Masuyama et al.
patent: 4180840 (1979-12-01), Allan
patent: 4384311 (1983-05-01), McNeil
patent: 4415939 (1983-11-01), Ballard

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