1. Aerosol packagers (TechSpray, Chemtronics, Miller-Stephenson,  MicroCare 
etc.) used to market an aerosol spray formulation for gold mating  surfaces. 
Worked great on gold fingers for computer plug-in cards so should work  on 
memory cards. 
2. TechSpray also had a formulation that was sprayed onto gold fingers  prior 
to soldering to protect them, then washed off in post soldering cleaning  
process. 
[Added info available in NEPCON West Technical papers; see 1980 & 1981  
Proceedings for papers on Soldering Aids by Kenyon and Engelland, respectively.  
The first is about the lab development cycle, second describes production line  
implementation. Lower contact resistance found when this process was used.]  
3. Suggest you check with the above suppliers to determine their current  
offerings for this application.
 
Bill  Kenyon
Global Centre Consulting
3336 Birmingham Drive
Fort Collins, CO  80526
Tel: 970.207.9586   Cell:  970.980.6373




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