Thin film magnetic head with narrow yoke

Details Thin film magnetic head with narrow yoke Thin film magnetic head with narrow yoke

1993-04-19

1993-10-19

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Core

360125, G11B 5127, G11B 5147

Patent

active

052551423

ABSTRACT:
A thin film magnetic head is fabricated with a yoke structure, including P1 and P2 magnetic layers, having a width in the range of about 5 to 58 microns, preferably about 30 microns. The very narrow width minimizes popcorn noise, improves high frequency response and affords increased head circuit efficiency.

REFERENCES:
patent: 4782416 (1988-11-01), Hillenbrand et al.
patent: 4987510 (1991-01-01), Schewe et al.
patent: 5109311 (1992-04-01), Hanazono et al.

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