Electronics Forum | Wed Aug 16 18:03:10 EDT 2000 | John Thorup
Hello CK Do I understand you correctly that you are reflow soldering a copper case containing a previously assembled PCA? Insulation would seem to pose a few problems that would need to be passed on by the design engineer. 1. Keeping the heat of refl
Electronics Forum | Thu Jun 15 12:57:12 EDT 2000 | Dave F
0.0006" LT Total pad height = Thickness of ( Copper pad + OSP ) = 0.0014" + 0.00000157" = ~0.0014" (You must be using an organic solderability preservative (OSP) or Electroless Nickel immersion gold (ENIG) because 0.003" tin/lead or white tin would
Electronics Forum | Mon Jun 12 22:00:51 EDT 2000 | Dave F
Could be. What are your profiles? 2) Au finish fail => Could be, but that the connections can be made with hand soldering makes this a low probability cause, assuming the activity of the flux used in hand soldering is not significantly different fr
Electronics Forum | Fri Jul 20 18:07:16 EDT 2001 | mparker
The latent contamination in sponges seems to be a minimal concern to me. Sponges will harbor more bacteria than a wet rag that is washable, but that is of greater concern in the kitchen than the rework line. Keeping a properly tinned solder tip is m
Electronics Forum | Tue Feb 01 12:02:56 EST 2000 | Mike Konrad
Your question may be answered in two parts. First, if you are using a water soluble (OA) paste, then water is an excellent �solvent�. Water, in one way or another, is used to clean all fluxes and pastes from PCB�s. In some cases, a chemical is add
Electronics Forum | Wed Jul 28 12:29:58 EDT 1999 | Jennifer
| Yeh Dan, | Bought one of those DEK/Universal 265's awhile back. Swear it went faster with their name on it. Never done AMI. What's it all about? | Earl Moon Hello Earl! I have spoken to AMI a couple times while trying to do some research on pri
Electronics Forum | Tue Apr 27 13:33:29 EDT 1999 | JohnW
| Has anybody had experience wavesoldering 1 watt 2512 resistor packages?? I know it can be done, but are there reliability issues? | | We are in the middle of a new product and the question was posed to me "Can we use 2512 1 watt resistors on the
Electronics Forum | Tue Sep 15 09:28:59 EDT 1998 | Clark Swainston
| Currently there are 2-3 questions on the admin page that are technical and are not getting the response they deserve. This is probably because the main stream of the SMTnetters don't check this part of the forum as often as they check the technica
Electronics Forum | Thu Mar 28 13:25:43 EST 2002 | Mike Konrad
Hi Dave, No-clean paste is more difficult to remove in post-reflow cleaning applications. In stencil, misprint and tool cleaning applications however, no-clean paste poses no extra degree of cleaning difficulty. There are few special requirement
Electronics Forum | Mon Apr 29 19:35:36 EDT 2002 | dougt
Sorry, I wish to remain anonymous so that I am able to ask questions and present responses freely without having individuals I may work with and those that may know me at other companies begin to respond to me directly. I have no problem with corris
