Probe head for vertical recording

Details Probe head for vertical recording Probe head for vertical recording

1987-09-14

1988-05-31

Hecker, Stuart N.

Dynamic magnetic information storage or retrieval

Head

360123, 360125, G11B 5127, G11B 517

Patent

active

047485256

ABSTRACT:
A probe head for vertical recording includes a U-shaped member partially surrounding the probe and a coil supported by the U-shaped member. When the coil is energized, flux from the probe is focused to the region between the legs of the U-shaped member to greatly increase flux gradient during a write operation.

REFERENCES:
patent: 3120001 (1964-01-01), Supernowicz
patent: 4130242 (1978-12-01), Mannion
patent: 4317148 (1982-02-01), Chi
patent: 4385334 (1983-05-01), Yanagida
patent: 4575777 (1986-03-01), Hosokawa
patent: 4649449 (1987-03-01), Sawada et al.
patent: 4656546 (1987-04-01), Mallory
patent: 4672494 (1987-06-01), Furuya et al.
Hoagland, "Combined Longitudinal and Vertical Recording Head," IBM Tech. Disc. Bull., vol. 20, No. 8, Jan. 1978.

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