Thin film magnetic head

Details Thin film magnetic head Thin film magnetic head

1993-07-02

1994-07-19

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Core

360122, G11B 531, G11B 5187

Patent

active

053314972

ABSTRACT:
A thin film magnetic head of the type including an upper magnetic core adjoining a gap layer having a flat front end face along which a magnetic recording medium is linearly slidable has a front end face of the upper magnetic core retreating from the magnetic recording medium at an end remote from the gap layer. The thin film magnetic head thus constructed provides a reproducing output signal which is free from a reverse output and hence has a waveform of an excellent symmetry, and also has a frequency characteristic curve free from fluctuations. In addition, the thin film magnetic head of this invention is able to obviate a magnetic saturation problem associated with the conventional thin film magnetic head, provide a stable output, and perform a reproducing operation efficiently.

REFERENCES:
patent: 4797765 (1989-01-01), Ezaki et al.
patent: 5130877 (1992-07-01), Hsie et al.

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