Electronics Forum | Wed Oct 15 11:55:43 EDT 2008 | jseagle
From your question you must be having rework issues due to the extended wait before reflow. What is the cost of the rework compared to the cost of just running the oven? Maybe you should look for a better used reflow oven that won't turn your shop
Electronics Forum | Tue Dec 09 14:03:05 EST 2008 | pms
Steve, We use stencils for applying adhesives to PCB's, with our DEK Proflow system. Works well for us. Once in a while, we have to manually add adhesive to a specific location depending on the component height. Vary rare though. You shouldn't have
Electronics Forum | Wed Apr 22 14:34:13 EDT 2009 | Quijano
Just to add a comment, we were using AIM Lead Free (SAC 305/ NC254 & 257) in the past and we had Voiding problems, then we tried Indium 8.9 HF, and we have better results, so now we are evaluating change to Indium for many of our products.
Electronics Forum | Wed Jan 13 22:59:53 EST 2010 | goolash
The Central Controller software on our Quad IVc machine is refusing to allow me to add local fiducials. Essentially, I follow the manual's directions, and when I press 'N' for New, it asks me to enter the placement number. No matter what number I e
Electronics Forum | Fri Jan 22 16:16:17 EST 2010 | stepheniii
My old boss bought some stuff to clean the lead off of gold fingers. At least that is what he thought it did. What it really did was remove the gold fingers. And quite well I might add. The short answer to your question is no. And if you replate mak
Electronics Forum | Tue May 25 11:37:50 EDT 2010 | davef
Where on the assembly is the dewetting occurring? Factors that influence dewetting usually involve non-ionic contamination such as: * Residues from board manufacture including silicone surfactants from solder resist & HASL rinse contamination * Comp
Electronics Forum | Wed Jun 30 03:56:45 EDT 2010 | tpvnew
Thanks for the input. I am reading IPC9850 and have a question on its statement. ========================================================== 4.2.9 Preventative Maintenance (PM) Time ... Calculation Method: Multiply the amount of time required for ea
Electronics Forum | Tue Jun 22 00:20:21 EDT 2010 | leadthree
Pick & Place > Wave-solder > other parts > test > conformal coating Is there any production error that could make a ceramic cap conductive? PS: want to add one point: The caps don't seem to be cracked. We changed a few 100 and didn't notice any bro
Electronics Forum | Fri Jun 24 11:14:59 EDT 2011 | williamaxler
My company is currently looking for a closed loop system that we could use for batch washing of PCBs. We primary use no clean flux and are looking for a system that we can use to clean the residue? Most likely we are going to have to add an additiv
Electronics Forum | Thu Aug 11 15:00:45 EDT 2011 | gregcr
Hi All, We are thinking about adding a SPEA 4040 flying probe tester to our facility to add some flexability to our test capabilities. Does anyone have experience they could share on these units? I would be most interested in programming and overa
