Electronics Forum | Wed Aug 27 14:02:46 EDT 2008 | jeffharley
We use a power washer, blow dry, then lightly oil the links with mineral oil. Works great
Electronics Forum | Wed Aug 27 07:13:05 EDT 2008 | eyalg
I need to solder SAC/HASL PC boards in a NON ROHS process (Tin Leaded solder paste and profile + Tin leaded components) Can I do that?? Regards, Eyal
Electronics Forum | Wed Aug 27 11:25:11 EDT 2008 | blnorman
We use immersion tin boards and ENIG with Sn63Pb37 with no problems. We did have to tweak the profile higher with ImmSn though.
Electronics Forum | Fri Aug 29 15:04:53 EDT 2008 | wavemasterlarry
Ha ha ha... I gotta admit it You sure are presistant with your companies wares.
Electronics Forum | Wed Aug 27 09:29:10 EDT 2008 | blnorman
I read somewhere there is a thermal measure that takes into account Tg and Td. Offhand I can't remember what it is, does anybody know what I'm talking about?
Electronics Forum | Wed Aug 27 13:08:30 EDT 2008 | vladig
Td - is the degradation temperature for a laminate (board), while Tg - is glass transition one. There is one more (even more important) - delta Tg. They characterize the quality of the laminate material. Regards, Vlad www.sentec.ca
Electronics Forum | Wed Aug 27 21:22:44 EDT 2008 | davef
While you're waiting for others to reply, here are a couple of previous postings from the fine SMTnet Archives: * http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=45013 * http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=50312
Electronics Forum | Thu Aug 28 09:45:48 EDT 2008 | leemeyer
What is the model of the machine, 1414, 1818 ?? What version of software are you running. There is probably a safety touch strip (yellow rubber strip)that is around the head and possibly the front sides of the machine. Check the connections and wirin
Electronics Forum | Fri Sep 05 13:49:04 EDT 2008 | gregoryyork
Tell the board shop to increase the cure temp of the resist as it is undecured especially if you have waxy/greasy resiues on the board and a brown tar like substence in the solder wave itself. If undercured then solder will not flow off the resist pr
Electronics Forum | Fri Aug 29 10:18:31 EDT 2008 | rrpowers
We saw this one time when we were trying to develop some lead-free product. It ended up being copper migration. Some of the pads had a brown discoloration and those that did would not wet very well. Your elemental analysis would have shown if ther
