Compound magnetic head having a recording head and a reproducing

Details Compound magnetic head having a recording head and a reproducing Compound magnetic head having a recording head and a reproducing

1989-09-27

1992-01-07

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Head

Hall effect

360126, G11B 5127, G11B 533

Patent

active

050796623

ABSTRACT:
A compound magnetic head includes first and second magnetic poles arranged to face each other to define a recording gap therebetween, a magnetic film arranged between the first and second magnetic poles, a first non-magnetic film arranged between the first magnetic pole and the magnetic film to define a first reproducing gap therebetween, and a second non-magnetic film arranged between the second magnetic pole and the magnetic pole to define a second reproducing gap therebetween. The recording gap and the first and second reproducing gaps have the same width and a common center line of the gap widths parallel to the direction of movement of a magnetic recording medium.

REFERENCES:
patent: 3908194 (1975-09-01), Romankiw
patent: 3921217 (1975-11-01), Thompson
patent: 3975772 (1976-08-01), Lin
patent: 4816948 (1989-03-01), Kamo
patent: 4841398 (1989-06-01), Mowry
patent: 4907113 (1990-03-01), Mollary
patent: 4907114 (1990-03-01), Shiiki

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