Grounded transducer for magnetic record disks

Details Grounded transducer for magnetic record disks Grounded transducer for magnetic record disks

1976-06-21

1977-11-15

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Plural gaps

360118, G11B 527, G11B 528

Patent

active

040588467

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 an 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: 3360614 (1967-12-01), Comerci et al.
patent: 3536857 (1970-10-01), Kohl
patent: 3846840 (1974-11-01), Childers et al.
patent: 3879757 (1975-04-01), Elliott et al.
patent: 3975771 (1976-08-01), Lazzari

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