Electronics Forum | Tue Oct 19 14:51:27 EDT 1999 | Kiet Dang
I'm trying to set up a SPC for a thermo compression beam lead attach process. We're using a west bonder thermo compression machine. I'd appreciate any input on temperature, pressure,tool, and critical process considerations. thanks, -kiet.
Electronics Forum | Wed Sep 01 02:58:43 EDT 1999 | Nams
Is there any Legistration and(or) Regulation for Lead Free electronic product in Europe, U.S.A. and Japan? If you have any summarized data about that, Let me know.
Electronics Forum | Thu Aug 19 03:09:52 EDT 1999 | Dr. Uwe Weber
we've received an inquiry if lead free solder for solder dips or surface mounting (cream solder) is available on a technical scale
Electronics Forum | Thu Jun 24 11:44:20 EDT 1999 | Matt Stump
I am looking for a way to clean solder off of QFP packages. I'm thinking a chemical method would be easy, as long as the chemistry doesn't attack the leads themselves, or the package. Any suggestions?
Electronics Forum | Mon Jun 21 12:36:13 EDT 1999 | Bob Willis
I am trying to compile a lead free soldering defect reference source if any one is doing trials. I would like to swap defect stories and photos. Look forward to hearing from any one.
Electronics Forum | Mon Jun 07 15:12:13 EDT 1999 | John Thorup
| I was wondering what measurements are used to define pitch? Generally we would use it for the distance from lead center to lead center of an IC. For instance, an SOIC would usually have a pitch of 0.050" or 50 thousandths of an inch (1.27mm)|
Electronics Forum | Tue Apr 27 15:50:46 EDT 1999 | Justin Medernach
| Another basic soldering question. I notice that lead-free solders have become required for plumbing applications due to legislation. In a local hardware store, I noticed the existence of lead-free solders (based upon tin-copper I think) with a me
Electronics Forum | Tue Apr 20 03:25:21 EDT 1999 | Scott Davies
Joseph, I've heard of a lead free solder alloy, Sn43/Bi57 that melts at 139�C and reflows between 160-170�C. You may find the following website useful. Good Luck Scott
Electronics Forum | Tue Apr 20 03:26:57 EDT 1999 | Scott Davies
Joseph, I've heard of a lead free solder alloy, Sn43/Bi57 that melts at 139�C and reflows between 160-170�C. You may find the following website useful: www.cobar.com Good Luck Scott |
Electronics Forum | Sun Mar 21 06:31:37 EST 1999 | Bob Willis
If any one is interested we have just posted some of the Lead Free Slides from the most recent SMART Group seminar on the SMART Group Web Site. http://www.smtuk.demon.co.uk check it out.