US2018061442A1PendingUtilityA1

Low Resistance Ground Joints For Dual Stage Actuation Disk Drive Suspensions

Assignee: HUTCHINSON TECHNOLOGYPriority: May 24, 2010Filed: Nov 6, 2017Published: Mar 1, 2018

Est. expiryMay 24, 2030(~3.8 yrs left)· nominal 20-yr term from priority

Inventors:Jeffry S. Bennin Jacob D. Bjorstrom Shawn P. Bopp Reed T. Hentges Michael T. Hofflander Richard R. Jenneke Craig A. Leabch Mark S. Lewandowski Zachary A. Pokornowski Brian D. Schafer Brian J. Stepien John A. Theget John E. Theisen John Wagner

G11B 5/4853G11B 5/4833G11B 5/4873

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References

Claims

Abstract

A stainless steel dual stage actuated disk drive head suspension baseplate including a plated electrical contact area having nickel and gold. The baseplate can be heat treated. The nickel and gold can be in a mixture.

Claims

exact text as granted — not AI-modified

1 - 16 . (canceled) 
     
     
         17 . A method for manufacturing a disk drive head suspension baseplate, including:
 applying nickel and gold to a contact area of a stainless steel baseplate; and   heat treating the baseplate after applying the nickel and gold.   
     
     
         18 . The method of  claim 17 , including applying amounts of nickel and gold to the stainless steel baseplate and heating the baseplate to produce a contact area having about 2%-10% gold. 
     
     
         19 . The method of  claim 17  wherein applying nickel and gold includes:
 applying a layer of material including nickel on the stainless steel baseplate; and 
 applying a layer of gold on the layer of material including nickel.

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