Magnetic head containing amorphous alloy and crystallizable glas

Details Magnetic head containing amorphous alloy and crystallizable glas Magnetic head containing amorphous alloy and crystallizable glas

1987-09-09

1989-03-28

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Core

360126, 501 76, G11B 5251

Patent

active

048169498

ABSTRACT:
The present invention relates to a magnetic head in which a magnetic metal film comprising a Co-containing amorphous alloy and a crystallizable glass of the PbO-B.sub.2 O.sub.3 -ZnO system as a solder glass are used. The magnetic head of the present invention has about 2 times higher recording density than the conventional one as a magnetic head for floppy disks and hard disks because an amorphous alloy is used. Since a crystallizable glass is used as the glass, there can be obtained a magnetic head having a high strength and superior humidity resistance and reliability.

REFERENCES:
patent: 3485648 (1969-12-01), Bishop
patent: 3639976 (1972-02-01), Hoogendoorn et al.
patent: 3645761 (1972-02-01), Kawamura et al.
patent: 3888686 (1975-06-01), Ellis
patent: 3947279 (1976-03-01), Hudecek
patent: 4003799 (1977-02-01), Dumesnil et al.
patent: 4011060 (1977-03-01), Berkenblit et al.
patent: 4048714 (1977-09-01), Huntt
patent: 4405722 (1983-09-01), Kokubu et al.
patent: 4475137 (1984-10-01), Yasuda et al.
patent: 4559572 (1985-12-01), Kumasaka et al.

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