Metal working – Method of mechanical manufacture – Electrical device making
Patent
1991-05-02
1992-09-01
Hall, Carl E.
Metal working
Method of mechanical manufacture
Electrical device making
360119, 360122, 427131, G11B 542
Patent
active
051427680
ABSTRACT:
An interleaved bi-directional magentic tape head for contact recording can have a poletip enhanced by providing a thin film of a soft magnetic material deposited onto a magnetic ferrite substrate. The second pole piece is a thin film of the soft magnetic material. A closure block of a non-magnetic ceramic encloses the layers together with leveling insulation layers and a deposited activating conductor turns. The stripe poletip deposited onto the magnetic ferrite extends for a distance just short of the first conductor turn and provides a balancing of the saturation moment of the pole pieces and provides for better recording capability, especially when operating in a trailing magnetic ferrite mode.
REFERENCES:
patent: 5016341 (1991-05-01), Ogawa et al.
Aboaf Joseph A.
Denison Edward V.
Kahwaty Vincent N.
Steving Gerald
Hall Carl E.
International Business Machines - Corporation
Pershon J. A.
Schecter M. W.
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