Do you refer to "permanent" solder mask (ie. applied by PWB vendor) or 
     temporary solder masks (that you apply and either "wash off" or 
     manually remove)?
     
     I can go into our experiences if you want to call or email me 
     directly.
     
     Jim Maguire
     Senior Principal Engineer
     Boeing Defense & Space Group
     PO Box 3999 M/S 3W-97
     Seattle, WA  98124-2499
     Phone 206-657-9063
     FAX    206-657-8903
     Email:  [log in to unmask]
     
     
     ______________________________ Reply Separator 
     _________________________________
     Subject: Alternative Solder Masks
     Author:  [log in to unmask] at esdigate
     Date:    10/25/96 7:59 AM
     
     
     I need some information on alternative solder masks to be 
     used with no-clean flux.  Protecting tooling holes as the 
     CCAs are processed across the wave solder machine is the 
     concern.  We are considering Kester 973 VOC flux and Kester 
     951 no-clean flux.  We solder in panels, half panels, and 
     single boards.  I am expecting the machine to automatically 
     control wave height to prevent flooding, etc.  Could I 
     please get some feedback on the mask issue since I will be 
     doing some tests on some machines in the immediate future.  
     Thanks in advance!!!  
     
     My address is [log in to unmask] if you want to contact me 
     direct.
     
     
     
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