Thin-film magnetic head with multiple interconnected coil layers

Details Thin-film magnetic head with multiple interconnected coil layers Thin-film magnetic head with multiple interconnected coil layers

1991-04-30

1992-12-08

Severin, David J.

Dynamic magnetic information storage or retrieval

Head

Coil

360126, G11B 517

Patent

active

051703025

ABSTRACT:
A thin-film magnetic head comprising four or more conductive coil layers each wound spirally and alternately piled up so as to form a lamination structure. The conductive coil layers are divided into first and second groups so that the total number of turns of the conductive coil layers in the first group becomes equal to the total number of turns of the conductive layers in the second group. The conductive coil layers in the first group are coupled in series to each other and the conductive coil layers in the second group are also coupled in series to each other, the first and second groups being coupled in series to each other and a center tap being provided between the first and second groups.

REFERENCES:
patent: 4639811 (1987-01-01), Diepes et al.
patent: 4694368 (1987-09-01), Bischoff et al.
patent: 4713711 (1987-12-01), Jones, Jr. et al.
patent: 5047886 (1991-09-01), Toyoda et al.

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