Magnetic head having a pair of cores in which the opposing surfa

Details Magnetic head having a pair of cores in which the opposing surfa Magnetic head having a pair of cores in which the opposing surfa

1988-05-26

1990-07-10

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Core

360121, 360126, G11B 5235, G11B 5265, G11B 531

Patent

active

049410644

ABSTRACT:
In a magnetic head comprising a first and second core halves bonded together defining a magnetic gap, an non-magnetic thin layer is formed on the surface of each core half facing to the magnetic gap using materials which are substantially chemically non-reactive with the component of an amorphous metallic magnetic thin layer of each half and low melting point glass, and low melting point glass thin layer formed on the non-magnetic thin layer made of glass having a melting of point of temperature lower than the crystallization temperature of the amorphous metallic magnetic thin layer.

REFERENCES:
patent: 4182643 (1980-01-01), Calderon et al.
patent: 4392167 (1983-07-01), Joormann
Patent Abstracts of Japan, vol. 9, No. 141 (JP-A-6020306) (Hitachi Seisakusho K.K.), 2/1/85.
Patent Abstracts of Japan, vol. 8, No. 228 (JP-A-59107414) TDK K.K.), 6/21/84.
Patent Abstracts of Japan, vol. 8, No. 23, (JP-A-58179925) (Pioneer K.K.), 10/21/83.
Patent Abstracts of Japan, vol. 9, No. 314, (JP-A-60145514), (Matsushita Denki Sangyo K.K.), 8/1/85.

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