Magnetic head having boron carbide surfaces

Details Magnetic head having boron carbide surfaces Magnetic head having boron carbide surfaces

1988-04-25

1989-12-05

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Head surface structure

360129, G11B 5255

Patent

active

048856509

ABSTRACT:
A magnetic head for reading or writing information magnetically encoded on a substrate is disclosed. Included in the head are a magnetic core and a boron carbide contact surface which the substrate rubs against during reading or writing. The boron carbide contact surface is electrically conductive and is resistent to wear. Grounding of the conductive boron carbide contact surface avoids static electric charge build up on the contact surface caused by rubbing of the substrate against the magnetic head.

REFERENCES:
patent: 3936884 (1976-02-01), Hogan
patent: 4251297 (1981-02-01), Kawabata et al.
patent: 4291352 (1981-09-01), Chase
patent: 4356524 (1982-10-01), Watanabe
patent: 4425594 (1984-01-01), Kodjabashev et al.

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