Electronics Forum | Wed Aug 15 16:04:23 EDT 2001 | davef
First, responding to your question � Several things on copper dissolution in solder are: * A 50um copper wire will dissolve in 60Sn / 40Pb solder at: - 200�C solder in 55 seconds; - 250�C solder in 20 seconds; - 300�C solder in 5 seconds; - 350�C so
Electronics Forum | Tue Feb 13 15:56:16 EST 2007 | darby
Campos, This is a direct reply I recieved from Indium, (thanks to Rich Brooks), in late 2004 regarding SMQ230. I have followed these guidelines with good results using ENIG finish. Same also applies to Indium 5.1 apply to both alloys (SAC 387 and 305
Electronics Forum | Fri Aug 30 02:12:19 EDT 2013 | raqz
Hi! I have been studying the reflow process. And now, I am researching for a recommended reflow oven that can process a small to low-medium production SMT soldering. For the experts in the reflow field, please recommend a reliable reflow oven. Here
Electronics Forum | Wed Oct 13 04:30:01 EDT 1999 | Brian
Hi! I recently remarked on a thread that so-called VOC-free fluxes weren't. As a result, I got three private e-mails asking what I meant. As this seems to be unclear, I'm starting a new thread with my explanation, rather than sending out the answers
Electronics Forum | Sun May 17 13:46:30 EDT 1998 | Steve Gregory
Hi All! I've been reading this conversation which prompted me to break out the IPC-SM-786A from the IPC manuals from our parent company in Maryland sent us (we're just starting up in California). It's the Procedures for Characterizing and Handling of
Electronics Forum | Thu May 24 13:14:59 EDT 2007 | mfgengr
The answer is simple...kind of. The short answer in terms of total cost (if you don't run an air conditioner) is there is no difference. The technical answer is: The First Law of Thermodynamics - Conservation of Energy applies. You have an entire s
Electronics Forum | Tue Sep 18 20:01:46 EDT 2012 | vergara1
Thanks for the advice. We have only done one PCB > with HMP solder and did not use preheating, but > I've been wondering if it would have been helpful > since we had some trouble getting the solder to > flow. If you have any more specific advice
