Method of manufacturing a composite magnetic head

Details Method of manufacturing a composite magnetic head Method of manufacturing a composite magnetic head

1994-03-16

1996-06-04

Hughes, S. Thomas

Metal working

Method of mechanical manufacture

Electrical device making

65 42, 156292, 360103, 360125, G11B 5127

Patent

active

055221262

ABSTRACT:
A ferrite plate and a ceramic plate are joined to each other by a glass layer interposed therebetween. The ferrite plate and the ceramic plate thus joined to each other by the glass layer serve as a trailing core in the form of a composite for use in a magnetic head. Only the ferrite plate is exposed on a slidable surface to prevent the trailing core from being deformed or cracked. The trailing core has low inductance for high-density recording to prevent the magnetic head from causing recording/reading errors.

REFERENCES:
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patent: 3983622 (1976-10-01), Schneider et al.
patent: 4182643 (1980-01-01), Calderon et al.
patent: 5177654 (1993-01-01), Matsuzawa et al.
patent: 5208965 (1993-05-01), Ozeki et al.
Read-write performance of low L, Hybrid MIG head, A. Nitta et al., Digests of the 16th Annual Conference on Magnetics in Japan 7PF-19 (1992).

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