Method of making magnetic head devices

Details Method of making magnetic head devices Method of making magnetic head devices

1976-03-15

1977-06-21

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

228121, 228257, 360103, 360124, 360129, G11B 542

Patent

active

040301893

ABSTRACT:
In magnetic disk equipment or the like, the read/write magnetic heads are each bonded to the wall of a thru-hole of a carrier plate adapted to act as a "flying" member maintained by an aerodynamical action in close proximity to the surface of the rotating disk. In a device according to the invention, the bond between the lateral surface of the head and said wall is made to ensure magnetostatic and electrostatic shielding of the head against spurious magnetic, electromagnetic and electrostatic fields. Said bond may comprise thin films of a high permeability anisotropic material coating at least the facing surfaces of the head and the wall and a layer of solder intervening between said films. Such a shield may partially extend over selected areas of the rear faces of the plate and head.

REFERENCES:
patent: 3735052 (1973-05-01), Hoogendoorn et al.
patent: 3857161 (1974-12-01), Hutchins
patent: 3928908 (1975-12-01), Case

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