Dear Technos,

 

After having worked for years with no-clean pastes, I need now to
evaluate water soluble. Concerning both SnPb and lead-free, what would
be your short list to start qualifications?

 

We are a CEM, so the paste needs to be very versatile, so it can give
the best performance (compromise) for inconsistent designs. In this
world we need to print everyday a wide range of designs like 20mil fine
pitch pads with widths from 9 to 15 mils, 0603s with pad gaps between 20
and 35 mils, etc., so I guess most of you understand what I mean by
versatile ;-)

 

I assume off-line answers would be appropriate, so please do not
hesitate...

 

Thank you,

 

Ioan


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