Magnetic recording device

Details Magnetic recording device Magnetic recording device

1980-05-01

1982-12-07

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Head surface structure

360120, 360125, G11B 522, G11B 520

Patent

active

043630588

ABSTRACT:
A magnetic recording device comprises a winding and magnetic head guiding magnetic flux produced by the winding to a recording medium and magnetically recording information on said medium. The magnetic head includes a chip formed on nonmagnetic material having a narrow distal end face and a ferromagnetic thin membrane held by said chip, having one end exposed from the distal end face of said chip and the other extending on the winding side, and passing magnetic flux from said winding to said one end, whereby information is recorded on said recording medium through said one end.

REFERENCES:
patent: 2514577 (1950-07-01), Heller
patent: 3140361 (1964-07-01), Eldridge
patent: 3303292 (1967-02-01), Bedell, Jr. et al.
patent: 4017899 (1977-04-01), Bagby
patent: 4118736 (1978-10-01), Okada et al.
patent: 4253019 (1981-02-01), Opheij et al.
IBM/TDB, vol. 4, No. 1, Jun. 1961, p. 17, "Manufacture of Electromagnetic Transducer" by Moore.

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