Method of making a magnetic head gimbal suspension assembly with

Details Method of making a magnetic head gimbal suspension assembly with Method of making a magnetic head gimbal suspension assembly with

1995-10-20

1997-11-04

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

360104, G11B 542

Patent

active

056826699

ABSTRACT:
A head-gimbal assembly for suspending a magnetic head over a spinning disk in a magnetic disk drive having head suspension positioning apparatus includes a base plate fastenable to the positioning apparatus in the magnetic disk drive. a load beam coupled at one end thereof to the base plate and a first dimple in the load beam at another end thereof, a flexible gimbal coupled to the load beam near the other end thereof and a second dimple in the gimbal having a concave surface facing a convex surface of the first dimple and a convex surface to which the magnetic head is attachable. Preferably, the convex surface of the first dimple has a radius smaller than a radius of the concave surface of the second dimple. The head is attached to the gimbal by an adhesive material attached to the convex surface of the second dimple and a top surface of the magnetic head. The adhesive material is hardened while a bottom surface of the head and the base plate are held in a predetermined attitude relative to one another (e.g., parallel to one another). Preferably, a predetermined force is applied to the head-gimbal interface while the adhesive material hardens corresponding to (e.g., equal to) an operational force exerted on the head-gimbal interface during operation of the magnetic disk drive.

REFERENCES:
patent: 5019931 (1991-05-01), Ohwe et al.

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