Gapless longitudinal magnetic recording head with flux cavity

Details Gapless longitudinal magnetic recording head with flux cavity Gapless longitudinal magnetic recording head with flux cavity

2005-03-08

2005-03-08

Heinz, A. J. (Department: 2653)

Dynamic magnetic information storage or retrieval

Head

Core

C360S125330, C360S128000

Reexamination Certificate

active

06865057

ABSTRACT:
A longitudinal recording head for use with magnetic recording media includes a gapless yoke with a cavity that expels magnetic flux onto a small area of the magnetic recording medium. Longitudinal recording heads incorporating the gapless yoke and flux cavity are capable of improved recording densities.

REFERENCES:
patent: 3201731 (1965-08-01), Baenziger et al.
patent: 3314056 (1967-04-01), Lawrence
patent: 3686467 (1972-08-01), Camras
patent: 3686468 (1972-08-01), Garnier, Jr.
patent: 3694784 (1972-09-01), Meili
patent: 5016342 (1991-05-01), Pisharody et al.
patent: 5063467 (1991-11-01), Colineau et al.
patent: 5434733 (1995-07-01), Hesterman et al.
patent: 1251372 (1971-11-01), None
IBM Technical Disclosure Bulletin, “Gapless Read Head Structure”. Jan. 1971. vol. No. 13. Issue No. 8. p. No. 2374.

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