Method of making grounded transducer for magnetic record disks

Details Method of making grounded transducer for magnetic record disks Method of making grounded transducer for magnetic record disks

1977-08-25

1978-12-19

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

G11B 542

Patent

active

041299370

ABSTRACT:
A transducer particularly for use with magnetic record disks and composed of cores having transducing gaps therein adapted to contact or be in near contact with a record disk at the gaps and composed also of outriggers on the sides of the cores for increasing the surface area of the transducer adapted to contact or be in near contact with a record disk. The cores are of ferrite and have windings thereon, and the outriggers are of ceramic, both the ferrite and ceramic being nonconductive electrically. One of the outriggers is provided with a plating of electrically conductive material on a side surface with the plating being coterminous with the surface of the outrigger adapted to contact the record disk or be in near contact with it, and a ground lead is connected with the plating so as to ground any electrostatic charge on the surface of the disk.

REFERENCES:
patent: 3668775 (1972-06-01), Morita et al.
patent: 3846840 (1974-11-01), Childers et al.

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