Dynamic magnetic information storage or retrieval – Head – Head accessory
Patent
1975-05-19
1976-06-15
Topper, Robert S.
Dynamic magnetic information storage or retrieval
Head
Head accessory
29603, 360118, 360121, G11B 5105, G11B 527, G11B 542
Patent
active
039641031
ABSTRACT:
A magnetic head assembly and the method of manufacture therefor comprising a generally cylindrical housing having a tapered portion at one end thereof terminating in a circular aperture having an inner diameter, a circular slider body having an outer diameter slightly less than the inner diameter, a media engaging surface and an internal surface and being disposed within the circular aperture and affixed to the housing. The body also includes a first elongated slot disposed along a first diameter and extending through the body, a second slot disposed along a second diameter normal to the first diameter and extending into the body from the internal surface, and a central aperture extending through the body at the intersection of the first and second slots. A read/write transducer has a pair of read/write pole pieces which are separated to provide a read/write gap and which extend into the first slot with the read/write gap positioned with the central aperture. An erase transducer including a pair of erase pole pieces is disposed in the second slot with one-pole piece on each side of the first slot. The ends of the erase pole pieces nearest the read/write pole piece extend into the central aperture and are separated from the read/write pde pieces to form first and second erase gaps.
REFERENCES:
patent: 3268877 (1966-08-01), Hagen
patent: 3485958 (1969-12-01), Bos et al.
patent: 3670112 (1972-06-01), Ruszczyk et al.
patent: 3838462 (1974-09-01), Barbeau et al.
Brown David A.
Thompson Herbert E.
Shugart Associates, Inc.
Topper Robert S.
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