Floating type magnetic head

Details Floating type magnetic head Floating type magnetic head

1990-10-11

1992-06-30

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360126, 360120, 360113, G11B 560, G11B 5147, G11B 5235, G11B 5127

Patent

active

051269023

ABSTRACT:
A floating type magnetic head using a magnetic core comprising a main magnetic circuit constituted with an oxide magnetic material and a thin metallic magnetic film constituting an auxiliary magnetic circuit formed at least on the side of the magnetic gap portion and having the track width of not greater than 16 .mu.m, wherein the hard axis of magnetization for the metallic magnetic film is directed to the direction of the gap depth.

REFERENCES:
patent: 3896495 (1975-07-01), Beecroft
patent: 4807074 (1989-02-01), Kamo
patent: 4922360 (1990-05-01), Takano et al.
patent: 4924334 (1990-05-01), Diepers et al.

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