Fabrication method for a multi-layer suspension

Details Fabrication method for a multi-layer suspension Fabrication method for a multi-layer suspension

2006-10-03

2006-10-03

Tugbang, A. Dexter (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S831000, C427S388100, C216S056000, C360S244300, C360S245800

Reexamination Certificate

active

07114238

ABSTRACT:
A multi-layer suspension comprised of a rectangular base plate section, a load beam and a flexure, said load beam can be further divided into a bending area adjacent to the base plate and a rigid area contiguous to said bending section, said suspension assembly is made up of three layers, wherein an adhesive layer is sandwiched between two stainless steel layers with parts of one of said stainless steel layers being etched off. The method for making such suspension including the steps of making three layer raw material, etching off parts of the stainless steel, etching off parts of the polyimide, and the forming and de-tab. The structure of multi-layer suspension of the present invention overcomes the problems of etching variations and misalignment exist in the traditional production of the suspension.

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