Composite type magnetic head with non-magnetic member in coil mo

Details Composite type magnetic head with non-magnetic member in coil mo Composite type magnetic head with non-magnetic member in coil mo

1986-02-05

1988-05-17

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Core

360119, 360123, G11B 5127

Patent

active

047455071

ABSTRACT:
A composite type magnetic head wherein a functional gap is formed by a pair of opposing magnetic metal substance members coupled to a substrate of a nonmagnetic substance and include a head front surface facing a magnetic recording medium. A coil portion is provided rearwardly of the head front surface and includes a coil window provided between the pair of magnetic metal substance members and a coil for encircling both the nonmagnetic substance substrate and at least one of the magnetic metal substance members coupled to the substrate. A rear core portion is provided rearwardly of the coil portion and is magnetically coupled with the magnetic metal substance members, the rear core portion including at least a part made of a high permeability ferrite.

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