Head suspension assembly attachment using shape memory alloy

Details Head suspension assembly attachment using shape memory alloy Head suspension assembly attachment using shape memory alloy

1998-07-30

2000-10-17

Renner, Craig A.

Dynamic magnetic information storage or retrieval

Head mounting

Disk record

G11B 548

Patent

active

061340855

ABSTRACT:
A mounting system for attaching head suspension assemblies to actuator mounting arms of a disc drive actuator. The mounting system of the invention comprises mounting plates for the head suspension assemblies that include bosses inserted in cooperative holes in the actuator head mounting arms. Mounting discs of shape memory allow, in martensitic phase, having outer diameters selected for cooperation with the inner diameter of the bosses, are press-fitted into the bosses. The mounting discs are then heated to transform the material of the mounting discs to the austenitic phase. This transformation causes the outer diameter of the mounting discs to increase with sufficient force to deform the bosses of the mounting plates into interference fit with the holes in the actuator head mounting arms.

REFERENCES:
patent: 5062018 (1991-10-01), Yeager
patent: 5187625 (1993-02-01), Blaeser et al.
patent: 5225949 (1993-07-01), King et al.
patent: 5706574 (1998-01-01), Shimanuki et al.

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