Magnetic head having dual asymmetric gaps

Details Magnetic head having dual asymmetric gaps Magnetic head having dual asymmetric gaps

1987-02-25

1988-05-03

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Gap spacer

360120, 360121, G11B 523, G11B 5235, G11B 5265

Patent

active

047424125

ABSTRACT:
A magnetic head including a first magnetic gap formed adjacent to one end face of magnetic cores which are spaced opposite from each other by a predetermined distance and which are made of magnetic material, said gap having a predetermined thickness and being made of nonmagnetic thin film; a magnetic thin film layer formed adjacent to the first magnetic gap and having a predetermined thickness; and a second magnetic gap formed narrow between the magnetic thin film layer and the other end face of the magnetic cores; wherein the second magnetic gap is made of Cr.

REFERENCES:
patent: 3143603 (1964-08-01), Widener
patent: 4172318 (1979-10-01), Huntt
patent: 4398229 (1983-08-01), McClure

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