Electronics Forum | Wed Feb 07 17:32:15 EST 2007 | davef
If you can't find bismuth wire, use 42Sn58Bi. For more, look here: http://www.mrs.org/s_mrs/bin.asp?CID=2274&DID=48689&DOC=FILE.PDF
Electronics Forum | Thu Dec 22 15:36:03 EST 2005 | CC
In general two step temperature reflow process requires minimum 40 deg C delta to be sucessful. We are not using vapor phase soldering but we have similar situation when we change to SAC lead free solder for PCB component population and secondary swe
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