Method for making a flat magnetic structure for read/write magne

Details Method for making a flat magnetic structure for read/write magne Method for making a flat magnetic structure for read/write magne

1987-10-28

1989-04-18

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

360123, 360126, G11B 542

Patent

active

048214035

ABSTRACT:
A method of making a flat magnetic structure having coils thereon, said structure including magnetic read/write heads using a flat substrate that has at least one side made of a magnetic material, said method including the steps of:initial machining of the magnetic side of the substrate to form supporting means for conducting wires, which forms said coils, and to demarcate future magnetic poles of said magnetic read/write heads; then depositing, on either side or both sides of the substrate, connecting pins at a rate of two pins per said coil; then positioning the conducting wires on said supporting means to form the coils; then connecting the ends of the conducting wires of each coil to the corresponding connecting pins; then coating the machined magnetic side with an insulating material; and then machining and polishing the coated side until the magnetic poles are exposed.

REFERENCES:
patent: 3478341 (1969-11-01), Trimble et al.
patent: 3672043 (1972-06-01), Trimble et al.
patent: 4253231 (1981-03-01), Nouet
patent: 4731157 (1988-03-01), Lazzari

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