Electronics Forum | Mon Dec 04 11:28:44 EST 2006 | samir
Patrick, Have you seen Al Gore's documentary on Global Warming, "The Inconvenient Truth?" It was okay, but I didn't like how Gore got political in a few scenes by slamming the current administration's environmental policies (or lack thereof...c'mo
Electronics Forum | Tue Feb 05 15:01:50 EST 2013 | ercdave1
Thank you for the help and great advise. as of right now I am looking at a 2002 universal GSM2. its running UPS software Level 4.5 Supplement E, and it has updated heads. the machine is sold by PFI of florida. they will install, calibrate on site
Electronics Forum | Fri Jul 14 16:35:03 EDT 2000 | Dave F
Celia: Ubet. Sorry about the ranting. (It comes with the territory.) I don�t recall any peer reviewed stuff, but I seem to remember a couple of articles on white tin in "SMT" "Circuits Assembly" Magazine (er suppin� like that), but it was probabl
Electronics Forum | Mon Apr 23 17:30:08 EDT 2001 | davef
Step 1: Print paste on the board, skip placement, reflow the board, check solderability. Step 2: Goto Step 1. White Tin Solderability: The most common reason for solderability issues with the white tin surface coating during multiple thermal excur
Electronics Forum | Mon Nov 19 20:15:39 EST 2001 | davef
Now, that is one thickass board!!! The rant first: If our �board supplier changed our board surface finish on� anything without our approval, the board supplier would be an �X�. Life has enough surprises. And of all the flat finishes available, h
Electronics Forum | Mon Apr 23 19:12:23 EDT 2001 | relensky
Thanks for the instructions. I was missing the reflow part... Omikron is the method our board house offers. We have been through the plating thickness problem and tin depletion conditions. Beyond those issues, I have been trying a few different n
Electronics Forum | Mon Jun 25 21:02:42 EDT 2001 | davef
Try: 1 SMTA [http://www.smta.org] Knowledge Base Conference Proceedings: * 09/24/2000 COMPARISON OF AG, NI/AU, AND SOLDER PWB SURFACE FINISHES ON THE SECOND LEVEL RELIABILITY OF FINE PITCH AREA ARRAY ASSEMBLIES Lon E. Chase, Raytheon Electronic Syste
Electronics Forum | Mon Nov 15 10:43:23 EST 1999 | Brian W.
I think the issue may be more than just the oven. I worked at a facility in Florida, where lightning strikes were common. We installed backup generators for the facility. Among the issues and costs we analyzed were: frequency of outages, boards i
Electronics Forum | Fri May 28 11:14:21 EDT 1999 | TONY MASTROIANNI
| Does anyone have a suggestion for a UV resistant black potting material? The material recommended by a local vendor turned gray in a couple of months in the sun here in Florida. We are using L.E.D.'s in a small housing (about 1.2" cube) and need to
Electronics Forum | Fri May 28 11:22:21 EDT 1999 | TONY MASTROIANNI
| Does anyone have a suggestion for a UV resistant black potting material? The material recommended by a local vendor turned gray in a couple of months in the sun here in Florida. We are using L.E.D.'s in a small housing (about 1.2" cube) and need to
