Magnetic head for perpendicular magnetization recording

Details Magnetic head for perpendicular magnetization recording Magnetic head for perpendicular magnetization recording

1984-02-27

1985-04-23

Stellar, George G.

Dynamic magnetic information storage or retrieval

Head

Plural gaps

360122, 360125, G11B 527, G11B 522

Patent

active

045133379

ABSTRACT:
A magnetic head for perpendicular magnetization recording especially suitable for operation from only one side of a magnetic tape includes a central magnetic pole surrounded in spaced relationship by a peripheral magnetic pole. An exciting coil is wound around the central magnetic pole for maintaining the central and peripheral magnetic pole at different magnetic potentials. Both magnetic poles are located on the same side of a multi-layer magnetic recording medium to be magnetized by the recording head.

REFERENCES:
patent: 2846517 (1958-08-01), Farrand
patent: 4253127 (1981-02-01), Kodama et al.
patent: 4383284 (1983-05-01), Isshiri
patent: 4413297 (1983-11-01), Tanaka et al.
IBM Technical Disclosure Bulletin, vol. 20, No. 8, Jul. '78, pp. 3311-3312, Combined Longitudinal and Vertical Magnetic Recording Head, A. Hoagland.

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