TechNet,

We currently have 3 Pb-free wave solder lines (in air) and 5 Pb-free selective solder machines (using N2).  I expect the number of selective solder machines to increase.  Currently, our N2 is stored as liquid and converted to gas for the soldering applications.
I am looking at using a nitrogen generator instead of the costly liquid.  I did a search of the TechNet archives but didn't find anything that really answered my questions.
Can anyone provide any assistance?  What levels of purity are required for Pb-free soldering?  What types of systems are available (membrane and PSA)?  Pros and cons?  Suggested vendors?

Any and all assistance and suggestions would be most welcome.

Regards,

Rick Todd
Senior Engineer
Panasonic Automotive Systems


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