Thin film magnetic head assembly and method of operation thereof

Details Thin film magnetic head assembly and method of operation thereof Thin film magnetic head assembly and method of operation thereof

1992-10-14

1994-08-09

Hajec, Donald

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of biasing or erasing

G11B 503

Patent

active

053372000

ABSTRACT:
A magnetic head assembly includes a thin film magnetic core and a conductive coil wound around the magnetic core. A constant direct bias current is applied to the conductive coil during a reading operation to reduce a noise caused by the "wiggles" phenomenon.

REFERENCES:
patent: 4530016 (1985-07-01), Sawazaki
patent: 4680657 (1987-07-01), Naito
patent: 4792868 (1988-12-01), Ozaki
patent: 5041922 (1991-08-01), Wood et al.
IEEE Transactions on Magnetics, vol. Mag-21, No. 5, Sep., 1985, "Mechanism of 90.degree. Wall Motion in Thin Film Heads" Keishi Ohashi pp. 1581-1583.

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