Straddle type magnetic head

Details Straddle type magnetic head Straddle type magnetic head

1984-11-15

1987-06-30

Hecker, Stuart N.

Dynamic magnetic information storage or retrieval

Head

Gap spacer

360121, G11B 527, G11B 542

Patent

active

046775145

ABSTRACT:
In a magnetic head including a recording and reproducing magnetic core having a transducing gap at an intermediate position and a pair of erasing magnetic cores arranged on respective sides of the recording and reproducing magnetic core so as to straddle the same, thereby forming erasing gaps between the erasing cores and the recording and reproducing magnetic core, respectively, a difficulty of causing an excessive DC magnetic bias to be applied along the length of the transducing gap is eliminated by forming a cut-away portion on a part of surface portion of each erasing magnetic core facing a magnetic recording medium and the transducing gap.

REFERENCES:
patent: 3859663 (1975-01-01), Best et al.
patent: 3964103 (1976-06-01), Thompson et al.
patent: 4100584 (1978-07-01), Behr et al.
patent: 4106173 (1978-08-01), Morokuma et al.
patent: 4110804 (1978-09-01), Castrodale et al.
patent: 4152742 (1979-05-01), Kronfeld
patent: 4176384 (1979-11-01), Yang
patent: 4423550 (1984-01-01), Fujioka et al.
patent: 4425701 (1984-01-01), Takahashi et al.
patent: 4514776 (1985-04-01), Koyama et al.

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