Method for manufacturing a magnetic transducer head

Details Method for manufacturing a magnetic transducer head Method for manufacturing a magnetic transducer head

1991-05-31

1992-09-29

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

360121, G11B 542

Patent

active

051505118

ABSTRACT:
A method for manufacturing a magnetic transducer head in which a track width regulating grooves provided on both edges of a magnetic gap are filled by blowing a powder beam of nonmagnetic material having a very fine particle size to deposit the nonmagnetic material in the grooves. A pair of magnetic core members are bonded together to form a magnetic gap therebetween by providing a metal layer of a bonding surface of the core members and applying a pressure to the core members under an elevated temperature to cause a mutual diffusion of the metal to bond the core members together. Thus the magnetic transducer head can be made without using a high-temperature heat treatment.

REFERENCES:
patent: 3494026 (1970-02-01), Sugaya
patent: 3672045 (1972-06-01), Robertson
patent: 4815197 (1989-03-01), Ota et al.
Patent Abstracts of Japan, Published Apr. 26, 1989, Muraoka Shunsaku-"Magnetic Head".

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