Thin film magnetic head and fabricating method thereof

Details Thin film magnetic head and fabricating method thereof Thin film magnetic head and fabricating method thereof

1982-07-20

1985-09-03

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Core

360119, 360123, G11B 522, G11B 520

Patent

active

045396167

ABSTRACT:
Herein disclosed is a thin film magnetic head which is so constructed that a conductor layer arranged in a non-magnetic insulating layer isolating two magnetic poles and adapted to form a coil of plural turns has a height made larger than the width and gap thereof. A method of fabricating that head includes the step of forming a non-magnetic insulating layer, the step of etching the insulating layer by using a mask layer formed thereover as a mask, the step of depositing a metal for providing a conductor layer, the step of removing the mask layer together with the metal thereover, and the step forming a coating of a non-magnetic insulating layer thereover, thereby to form the conductor layer. The head thus fabricated has its magnetic recording and reproducing characteristics improved.

REFERENCES:
patent: 4190872 (1980-02-01), Jones, Jr.
patent: 4219855 (1980-08-01), Jones, Jr.
patent: 4239587 (1980-12-01), Koel et al.

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