Electronics Forum | Fri Apr 30 04:57:37 EDT 1999 | Bernard Mulcahy
| |Hi all This Debate on lead free soldering is really hotting up here in Europe. From 2004 the use of lead in components and assemblies will be banned here. Also flame retardent halogens will be banned(FR4 etc). While we all agree that we have to m
Electronics Forum | Mon Apr 26 11:42:29 EDT 1999 | Chrys Shea
| | Hi, | | Im doing some experiments and studies on lead free solders ( any alloys).I would like to get some information on a few lead free solder paste manufacturers and if possible their web page adress and contacts. | | Thanx in anticipation |
Electronics Forum | Tue Jul 21 09:53:13 EDT 1998 | Steve Brown
Here at M/A-Com we use lead free solder pastes for two purposes, environment and prevention of secondary reflow in subsequent processes. The UK engineering journals all report the trends towards lead free alloys, especially in the telecommunications
Electronics Forum | Mon Jul 08 08:49:51 EDT 2002 | pjc
Interesting study. It shows no-Pb alloys having a greater negative environmental impact. I wonder if the Euros are re-thinking their no-Pb regulations? I also wonder if popular opinion and politics is at the route of our EPA's no-Pb regulations and n
Electronics Forum | Fri Nov 22 15:59:43 EST 2002 | GSW
What type of reflow profile are you using ? There is a void reduction profile recommeded by some paste manufacturers, Try that it might help. Did you check the components or the board and see if they have absorbed mositure ? try baking the boards and
Electronics Forum | Mon Nov 25 22:08:05 EST 2002 | Ben
Thanks for the advise. I got the advise from my solder paste vendor to increase the time above melting point for flux outglassing to escape. I tried but no big help. For the moisture issue, actually I've try to bake both the PCB and components at 12
Electronics Forum | Tue Dec 10 20:42:43 EST 2002 | davef
Vijay, Sounds like you're not spending enough time at liquidous plus 20*C. And you need to stay there for 5 to 10 seconds. I know, I know. We have used bucketsful of WS609 over the years. See, as you say, the melting point of your solder alloy
Electronics Forum | Tue Jul 08 18:53:21 EDT 2003 | MA/NY DDave
Hi The answer in general is no mixing of Lead Free with Sn/Pb solder. If you look at reliability data, failures after stress tests and then SEMs, failures occur at grain boundaries inside the joint. Lots more happens. By the way this mixing happe
Electronics Forum | Wed Aug 13 22:44:26 EDT 2003 | Dean
We have two major industry leading customers that are driving a lead free process. We have chosen to embrace it, invest in the technology and process and become a regional leader in lead-free process. Like most companies we kept current on the tren
Electronics Forum | Fri Oct 24 16:59:51 EDT 2003 | Ming Diaz
Wish I had read your post sooner. Kester University gave a free seminar at Bethesda, MD 15 Oct. All day, food included, about Lead-Free Assembly. I went, it was worth the two hour drive. Call 800-253-7837 if you want future information. Also th
