Magnetic head having main and auxiliary magnetic paths

Details Magnetic head having main and auxiliary magnetic paths Magnetic head having main and auxiliary magnetic paths

1992-11-24

1993-09-21

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Core

360119, 360125, G11B 523, G11B 531

Patent

active

052474151

ABSTRACT:
A magnetic head has a main magnetic path forming film forming an operation gap, and an auxiliary magnetic path forming film for complementing said main magnetic path forming film. The auxiliary magnetic path forming film is disposed behind the gap depth of said magnetic core and magnetically coupled to the main magnetic path forming film. The main magnetic path forming film has a direction of easy magnetization perpendicular to the direction of depth of the operation gap, while the auxiliary magnetic path forming film has a direction of easy magnetization which coincides with the direction in which said magnetic head opposes the recording medium.

REFERENCES:
patent: 2928079 (1960-03-01), McNutt
patent: 3255307 (1966-06-01), Schuller
patent: 3365709 (1968-01-01), Gooch
patent: 4868698 (1989-09-01), Takahashi et al.
patent: 4897748 (1990-01-01), Takahashi et al.
"Integrated Magnetic Recording Heads"; Lazzari et al, IEEE Transactions on Magnetics, vol. Mag. 7, No. 1, Mar. 1971; pp. 146-150.

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