In a message dated 98-01-23 19:04:12 EST, you write:

>
>  TechNETers - Does anyone work to class 3 requirements AND use a no-clean
>  flux? Or do the more stringent requirements force you to use a more
>  aggressive flux and wash the board? Thanks for your comments in advance.
Joe
>

Joe,
A number of our clients are military class 3 and have qualified a number of
different low solids flux based assembly processes.  The greatest impediment
is usually cosmetics.  The "old school" said that if flux residues were
visible, it was bad.  That thinking is outdated, but still in force in some
project offices.

Doug Pauls
CSL

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