Electronics Forum | Thu Jan 03 02:26:12 EST 2002 | arzu
Hello, I need to know the volume spread of solderpaste after screenprinting fine-pitch paste using a nickelformed screen. It is the end-result that counts , so of course the spread of metalcontent in the paste is important too. Can anyone tell me som
Electronics Forum | Wed Sep 23 12:16:17 EDT 2009 | davef
The US EPA has a Toxics Release Inventory (TRI) program. They may have some information on paste wastage estimation for leaded pastes.
Electronics Forum | Wed Jan 30 17:23:07 EST 2013 | dyoungquist
In response to hegemon... This is not a recommended practice but..... We have added a few drops of water soluble flux to our water soluble solder paste when the paste is on the stencil. This was after the paste had "dried" out a bit. We have had
Electronics Forum | Thu Apr 03 22:56:48 EDT 2008 | davef
Potential impacts of using expired solder paste are [University of Bolton]: * Changed paste rheology. Result: poor print quality * Loss of solvents. Result: reduced flux activity * Changed flux formulation. Result: More difficult to clean flux residu
Electronics Forum | Thu Mar 06 17:02:40 EST 2003 | Kris
Try alpha fry technologies. http://www.frymetals.com/manufacturing/solder_reclain1.html
Electronics Forum | Sun Feb 27 14:24:05 EST 2005 | davef
pmdeuel: Was that "about 60 %solder and 40 % flux" according to volume or weight?
Electronics Forum | Tue Apr 13 13:55:46 EDT 2004 | arcandspark
I have samples coming in, AIM and ALPHA, Multicore use to have manufacturing in the same town but disappeared. Your right about getting better help fro other, Indium is the worse I have ever had to deal with. They act like I am bothering them when I
Electronics Forum | Tue Apr 13 08:08:33 EDT 1999 | Rob Palson
We process both tin/lead plated boards and gold plated boards in our surface mount group. I have used Sn62/Pb36/Ag2 solder paste on all gold plated boards to help prevent gold scavaging. To reduce the amount of different solder pastes we have to bu
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