Thin film magnetic head having solder-bonded protective plate

Details Thin film magnetic head having solder-bonded protective plate Thin film magnetic head having solder-bonded protective plate

1988-04-14

1989-01-10

Hecker, Stuart N.

Dynamic magnetic information storage or retrieval

Head

360122, 360126, 360129, G11B 5255, G11B 531, G11B 5105

Patent

active

047977655

ABSTRACT:
A thin film magnetic head comprising a thin film magnetic head structure and a protective plate thereon such as glass or the like has an improved bonding interlayer between them. The interlayer is formed by fusing together registered solder areas which have been preformed respectively on the mirror image positions of the upper surface of the head structure and the lower surface of the protective plate.

REFERENCES:
patent: 3846841 (1974-11-01), Lazzari et al.
patent: 4404608 (1983-09-01), Yasuda et al.
patent: 4535376 (1985-08-01), Nomura et al.
patent: 4546541 (1985-10-01), Reid
Hattori et al., "Magnetic Recording Head with Fixed Coil", Review of the Electrical Communication Laboratories, vol. 23, Nos. 3 and 4, Mar.-Apr. 1979.

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