Electronics Forum | Fri Oct 17 17:25:43 EDT 2003 | gpaelmo
we will be using water soluble solder paste. cleaning will be for smt assemblies only. waste water will be treated prior to disposal. as far as testing for cleanliness, any suggestions or recommendations on test equipment would be greatly appreciated
Electronics Forum | Sun May 19 06:43:37 EDT 2002 | xzinxzin
I using water-soluble solder paste, the solder paste recommended, the peak temperature is 215 deg C, the dwell time above 183 deg C is 60-90 sec. **How I can do, the flux in solder paste is active enough to remove the corrosion on the Cu leads to get
Electronics Forum | Wed Jan 27 15:23:25 EST 2016 | dyoungquist
You can buy an awful lot of stencils for $200K but where/how are you going to store all of those stencils? There is a certain $$$ value to all the space it will take to store them. I have been told by a Mycronic salesman that they are working on qu
Electronics Forum | Fri Oct 05 14:17:57 EDT 2018 | waveroom
i HAVE A CUSTOMER WHO IS USING A WATER SOLUBLE LEAD FREE SOLDER PASTE AND IT IS ADHERING TO THE SQUEEGEE. ANY IDEAS HOW TO SOLVE THIS ISSUE WOULD HELP.
Electronics Forum | Tue Sep 30 14:24:37 EDT 2008 | eedlund
A water soluble solder paste (AIM WS483), reflow and wash. We are considering using AIM NC254 No-clean solder paste to eliminate the wash step.
Electronics Forum | Tue Apr 01 09:03:39 EST 2003 | kmorris
Hi: I'm looking for input from anyone who has experience assembling the MLP package on PCBs. We are experiencing solder opens after assembly, and I'm curious to see how others are processing these critters. The part we are using is a Semtech SH3000
Electronics Forum | Fri Oct 28 10:26:39 EDT 2005 | james
Kester water soluble seems to work best for us at this point. I am just trying to figure out why we are having so many problems when we use AIM paste. It tends to stick to the blades, clog the aperatures and of course gives us insufficient solder.
Electronics Forum | Wed May 29 18:52:59 EDT 2013 | navworx
Would like opinions on which brand of leaded water soluble solder has the longest print life. we're currently using Alpha WS-809. Each board goes through the printer every 15 minutes or so, and we wind up re-printing most boards as the solder isn't
Electronics Forum | Mon Aug 30 16:07:06 EDT 2004 | Shean Dalton
Hi Chen, Based on your posted message, the following ideas are for your consideration: "brown residue" The water soluble solder paste you are using could be a water soluble rosin solder paste formulation. Perhaps the solder paste may not be proper
Electronics Forum | Tue Apr 13 15:44:41 EDT 2004 | Dreamsniper
Hi Guys, Thanks for all your informative replies. I do know that Motorola is using a No Clean Eutectic Solder for their BGA's. We are in Aerospace and is using a Water Soluble Paste Flux. Now, a) Can anyone explain to me about the effect of thei
