Method of forming a magnetic head chip for a thin film magnetic

Details Method of forming a magnetic head chip for a thin film magnetic Method of forming a magnetic head chip for a thin film magnetic

1991-07-26

1992-10-13

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

360121, G11B 542

Patent

active

051539802

ABSTRACT:
A thin film magnetic head includes first and second head chips, each of the head chips having a substrate, a reproducing head portion provided in a side edge portion on the substrate, and a protecting plate convering the reproducing head portion and the recording head portion. The reproducing head portion and the recording head portion are formed of a lower magentic layer, an electroconductive coil layer, an upper magnetic layer and insulation layers interposed therebetween, deposited in stacked relation on the substrate one after another. The first and second head chips are arranged in side-by-side relation and are inverted with respect to each other so that the recording head portion in the first head chip and the reproducing head portion in the second head chip form a recording/reproducing head portion for a first traveling direction of a magnetic recording medium, and the reprducing head portion in the first head chip and the recording head portion in the second head chip form a recording/reproducing head portion for a second or reverse traveling direction of the recording medium.

REFERENCES:
patent: 4159493 (1979-06-01), Ohta et al.
patent: 4539615 (1985-09-01), Arai et al.
patent: 4677036 (1987-06-01), Nakamura et al.
patent: 4797767 (1989-01-01), Baus, Jr.
patent: 4862304 (1989-08-01), Yunoki et al.
Nortronics Design Digest for Digital Magnetic Recording; form No. 9212; 1971; pp. 1-33.

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