Planar structure thin film magnetic head

Details Planar structure thin film magnetic head Planar structure thin film magnetic head

1989-07-21

1990-08-14

Hall, Carl E.

Dynamic magnetic information storage or retrieval

Head

Gap spacer

29603, 360120, 360126, G11B 5235

Patent

active

049492071

ABSTRACT:
A recess is etched in a substrate and is filled by a magnetic film. A coil is formed in an insulating film and magnetic contact pads are formed. Two magnetic films are formed in an insulating film and then in a hard film are formed two pole pieces separated by an amagnetic spacer.

REFERENCES:
patent: 4601099 (1986-07-01), Nishiyama
patent: 4639289 (1987-01-01), Lazzari

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