Magnetic transducer including a plurality of heads and method fo

Details Magnetic transducer including a plurality of heads and method fo Magnetic transducer including a plurality of heads and method fo

1986-10-17

1988-04-05

Evans, Arthur G.

Recorders

Magnetographic

Magnetographic head

29603, G01D 1510, G01B 5127

Patent

active

047362103

ABSTRACT:
The invention relates to a method for producing a magnetic transducer including a plurality of heads and a transducer produced thereby. The method comprises placing a magnetic core (such as 17-2) provided with a winding (such as E1-2) in each of the grooves (18-1, 18-2, etc.) formed on the face (20) of an insulating wafer, then filling up each groove with the aid of a hardenable nonmagnetic substance, and precision grinding the face (20) such as to sever the portions (22, 23) of the conductors that project above this face and thus causing the appearance of contact dots (24, 25) intended to be connected to an external control circuit.

REFERENCES:
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patent: 3641586 (1972-02-01), Woodward et al.
patent: 3657806 (1972-04-01), Simon
patent: 3678576 (1972-07-01), Braun et al.
patent: 3881244 (1975-05-01), Kendall
patent: 4412379 (1983-11-01), Lemke et al.
patent: 4670972 (1987-06-01), Sakakima
patent: 4685014 (1987-08-01), Hanazono et al.
Patent Abstracts of Japan, vol. 5, No. 146 (p. 80) (818), Sep. 16, 1981.
IBM Technical Disclosure Bulletin, vol. 25, No. 12, May 1983, pp. 6428-6429-R. A. Scranton et al: "MLC Technology for Print Head Transducers".
PCT:WO 85/02479 (Minnesota Mining and Manufacturing Co).
Patent Abstracts of Japan, vol. 9, No. 116 (p. 357) (1839), May 21, 1985.
Patent Abstracts of Japan, vol. 1, No. 123, (p. 5072 E 77, Oct. 17, 1977.

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