What quality results have been noted as a result of 
     processing SMT boards, using no-clean paste, without the aid 
     of nitrogen?  How much effect does the inert environment 
     have versus processing SMT boards in an air environment?
     
     We are currently equipped with an IR reflow oven and an IR 
     convection style reflow oven.  Neither are nitrogen 
     equipped.  
     
     We are also in the process of experimenting with no-clean 
     fluxes at the present time.  What are the preferences as far 
     as fluxes?  Currently we are readying ourselves to look at 
     Kester 244-c, ESP, Indium, Qualitec, and Alpha.  We have 
     dense mixed technology boards and some 100% SMT boards.  
     Need some help.  Thanks
     
     Ron Hollandsworth
     IR&D Operations Task Leader
     [log in to unmask] 

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