Electronics Forum | Tue May 30 08:46:10 EDT 2006 | patrickbruneel
Interesting read, I guess they finally figured it out (with 32 days left) 2 quotes from the articles "What is surprising however � although it should not be � is that, despite the claims of health and environmental threats, the latter based on the r
Electronics Forum | Thu Jun 08 23:26:28 EDT 2006 | Shawn Vike
We are a small company, reletivly new to doing our own SMT (1 year) and we are having an issue, I think. We manufacture many board with no problems, but we have one that constently defeats us. This particular PCB has ENIG finish, and we have had th
Electronics Forum | Wed Jun 14 11:37:44 EDT 2006 | shawnvike
find the problem? Were the parts failing > electrically? Or did someone start prying them > and decide they were too weak? Originally found the problem going through some older assemblies that had failed testing. Poked at leads and found them no
Electronics Forum | Fri Jun 09 17:45:05 EDT 2006 | mika
We have some problem with the Pb-free SOIC's at the UIC GSM2 on the Flexjet head camera; (seem to remember this from before, but I can't find it on this forum). The Pb-free small SOIC:s are reflecting the light differently than leaded parts and are
Electronics Forum | Fri Jun 16 20:40:43 EDT 2006 | mika
Hi Grant, I understand your concerns about the reliability. It depends what the boards are use for. For ex. if it is in a telecom system market where lifetime and reliability is a big issue 10-20 years lifetime (our customer reqs. that at the system
Electronics Forum | Wed Jan 24 07:57:26 EST 2007 | Mark
Like everyone has said make sure you request Cad files from your sales people first. Than if sales allows (which I'm sure they will) is call the customer and go through with them step by step how to extract the cad file that you need. If you refer to
Electronics Forum | Thu Jun 29 17:38:51 EDT 2006 | flipit
I might be wrong since I don't know this piece of equipment but I think ROL might be a better measure. For 63/37 it used to be 20 ppm ROL (residual oxygen level) was about what you needed for a reflow oven. This is to take full advantage of all tha
Electronics Forum | Fri Jun 30 20:59:04 EDT 2006 | johnwnz
Folks, who uses MYData's?.... In a previous life I was a fuji man and liked them I have to say, they were big n heavy and you could drop them from a plan and they would still work... well till they brought out the QP's but lets not go there. I did ha
Electronics Forum | Mon Jul 17 13:37:35 EDT 2006 | carln
Here is something I copied from Circuitnet.com. This appears to answer your question and then some... http://www.circuitnet.com/experts/ Ask the Experts Jul 17, 2006 What type of cleaner method is preferred for lead-free stencils? What type of s
Electronics Forum | Wed Jul 12 11:26:12 EDT 2006 | flipit
Hi, I believe you have classic gold imbrittlement here. With 80 microinches of gold you are way over the limit. You can try to reflow longer time and at a higher temperature. The gold does not melt into the solder joint. The gold dissolves into
