Hi Paul - I forgot one issue with the palladium that you need to be 
     aware of with the palladium - plating finish thickness. Texas 
     Instruments currently has been supplying Pd finished parts to the 
     industry with a 3 microinch thick finish of Pd. This thickness does 
     not seem to be a problem but if your vendor is going to furnish a 
     thicker Pd finish I would conduct some Scanning Electron Microscopy to 
     insure that the solder joint microstructure is acceptable and conduct 
     some thermal cycle testing to insure that the mechanical response of 
     the solder joint is acceptable.
     
     Dave Hillman
     Rockwell Collins
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Subject: Palladium finish
Author:  [log in to unmask] at ccmgw1
Date:    5/27/96 3:15 PM


     We have a vendor who is changing the metallizations of its components 
     to palladium from tin/lead. 
     
     Has anyone had problems with this?
     
     Are there problems with no-clean fluxes?