A process for producing magnetic heads of the floating type

Details A process for producing magnetic heads of the floating type A process for producing magnetic heads of the floating type

1989-05-04

1991-05-21

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

360121, 360127, G11B 542

Patent

active

050163418

ABSTRACT:
A floating-type magnetic head comprising a slider and a core chip secured thereto. The core chip comprises a pair of core segments joined together with a gap spacer and a thin ferromagnetic metal film which are formed at the joint only over a portion of the entire area of the joint which portion terminates at the face of the core chip to be opposed to magnetic recording media. The two core segments area bonded to each other with glass present over the remaining portion of the joint area. In producing the magnetic head, the core chip is prepared by fabricating a core block comprising a pair of base plates joined together and strips of thin ferromagnetic metal film and gap spacer provided at the joint, and machining the core block.

REFERENCES:
patent: 4425701 (1984-01-01), Takahashi et al.
patent: 4658314 (1987-04-01), Sasazaki
patent: 4815197 (1989-03-01), Ota et al.
patent: 4890378 (1990-01-01), Suzuki et al.
Patent Abstracts of Japan, vol. 12, No. 439 (P-788) (3286) Nov. 18, 1988.
Patent Abstracts of Japan, vol. 7, No. 70 (P-185) (1215). Mar. 23, 1983.
I.E.E.E. Transactions of Magnetics, vol. MAG-23 (1987) Sep., No. 5, New York, pp. 2931-2933, by Nishiyama et al, "Recording Characteristics of Metal-in-gap Mini Composite Head".

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