Electronics Forum | Thu Aug 12 18:06:09 EDT 2004 | SR
May I ask what component types you are using and who the suppliers are? FYI - If the components have exceeded their shelf life, they may have oxidized too much for soldering using low activity fluxes. Thanks and best regards, SR
Electronics Forum | Tue Apr 13 07:48:00 EDT 2004 | Dougie
Hi Ken, Our product is consumer, although our product is sold on it's reliability. We run a low volume high mix throughput. Any ideas on timescale for the Ag leaching? Sounds like it could be a safer bet to use Imm Sn boards with the Sn/Cu/Ni bar w
Electronics Forum | Mon May 12 15:08:53 EDT 2014 | davef
I've never used SAC405. Not for nothing ... Other low temperature solder alloys that you should consider are: * Sn42/Bi58 [138*C]: Alloy for low temperature applications. Attention should be paid to potential embrittlement issues and poor thermal fa
Electronics Forum | Mon May 12 04:26:00 EDT 2014 | gazelle
Hello - I am looking for a source to supply low thermal EMF solder - can anyone provide pointers ? In the past a cadmium - lead alloy was used for this, but these are banned (RoHs) ... - the aim is to minimize thermo-couples on a very sensitive 4 lay
Electronics Forum | Tue May 13 17:53:54 EDT 2014 | anvil1021
Hello Michel...this might be a bit of a battle finding the low thermal EMF material that you are looking for. The first one that comes to my mind is Bismuth Selenium Telluride, with either a nickel or cobalt doping agent. Silver went away from this
Electronics Forum | Tue Aug 25 10:56:36 EDT 2009 | ghepo
Eric, the problem is a crack of the nickel PAD, or is a PILLOW defect ? See the photos annexed.
Electronics Forum | Tue Aug 25 20:13:52 EDT 2009 | tstrat
250C. Neither of the package or PCB appear to be warping during reflow.
Electronics Forum | Thu Aug 27 15:59:13 EDT 2009 | rossi
Thank You for all your help. Eric
Electronics Forum | Thu Aug 27 16:17:16 EDT 2009 | rossi
Thanks Jim. Can you tell me how you resolved/corrected the issue? Eric
Electronics Forum | Mon Aug 31 03:18:27 EDT 2009 | grahamcooper22
What is the boiling point of your vapour phase solvent ?
.gif)
