Dynamic magnetic information storage or retrieval – Head – Plural gaps
Patent
1981-04-13
1983-08-02
Wolf, John H.
Dynamic magnetic information storage or retrieval
Head
Plural gaps
360125, 29603, G11B 527
Patent
active
043969674
ABSTRACT:
A multielement magnetic head is formed with a closure section having a nonmagnetic ceramic substrate on which a thin layer of magnetic ferrite is deposited and processed. The thin ferrite layer is cut to define the separate transducing elements and data track separation. The closure section is joined to a wafer formed from a ferrite substrate and a thin film conductive coil means.
REFERENCES:
patent: 3145452 (1964-08-01), Camras
patent: 3157748 (1964-11-01), Eldredge
patent: 3613228 (1971-10-01), Cook et al.
patent: 3859663 (1975-01-01), Best et al.
patent: 3925884 (1975-12-01), Case
patent: 4366518 (1982-12-01), Chow et al.
IBM/TDB vol. 7, No. 11, Apr. 1965, p. 993, "Fabrication of Narrow Track Width, High-Density Ferrite Heads", by Frost et al.
Argumedo Armando J.
Chow William W.
Dunn Lowell E.
Lakey Billy R.
International Business Machines - Corporation
Kallman Nathan N.
Otto, Jr. Henry E.
Wolf John H.
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