Electronics Forum | Thu Jul 15 11:17:03 EDT 2010 | davef
Things don't disappear completely. If something caused nickel corrosion, the nickel corrosion by-product would be in place of the nickel. Is it possible that ... There never was any nickel? We know that the nickel will diffuse into the copper. Th
Electronics Forum | Fri Jul 08 12:53:56 EDT 2011 | markhoch
I concur with Mr. KaHrpr and Mr. Dave. Just because your measured profile falls in the middle of a process window doesn’t mean that you won’t ever have to analyze it. You may be 9/10ths of the way there, but running 25 miles won't win you a marathon
Electronics Forum | Wed Aug 24 09:21:45 EDT 2011 | blnorman
We always used a MOLE on our wave ovens. From what I know of temp dots, they let you know if a temp has been exceeded. The IR gun we had also had the limitation that the further away from the target, the broader the area being analyzed. Guess it b
Electronics Forum | Fri Feb 22 16:32:56 EST 2013 | davef
Jorge: I took this total posting to several fabs at IPC APEX. None was satisfied with the answers you receive from your supplier or the Forum members. They suggested that you get your board analyzed. They were surprised that your supplier didn't in
Electronics Forum | Thu Jan 22 13:01:14 EST 2015 | dyoungquist
We are using a nitrogen generator (with a N2 storage tank) that feeds 1 selective solder machine. I do not know which type of generator it is. The N2 generator has an oxygen analyzer on it. The selective solder manufacturer recommends a N2 purity
Electronics Forum | Mon Jul 11 10:59:50 EDT 2016 | mnorthey
Other problems on previous machines that we have experienced is that there was not enough board support under the panel or that the panel thickness was inaccurate. Both situations can cause parts to bounce off the PCB or not to be pushed into the pas
Electronics Forum | Sat Oct 28 04:35:26 EDT 2017 | wendymm
It's hard to say about it. Some time ago, I had collected some information to analyze which PCB Fab.I should cooperate with.As for which is the top, it depends on your criterions. JLCPCB maybe the cheapest one, and the merit of PCBway is that their d
Electronics Forum | Wed Nov 29 21:00:02 EST 2017 | truthseeker
Thx for following up. We have a small PCB in a defense application that has copper sulfide issues. We are using Ion chromotagraphy to track down varions ionic species including sulfates. Your post was a aha moment for me. We have a sample being analy
Electronics Forum | Tue Dec 26 02:10:26 EST 2017 | alexeis
Hi, We have develop a solution, called ASD, to online analyze and detect of real problem on SMT production. If you want more information, you can send me an email: alexeis@proventustech.com. Also, you can read about us and our solution on the websit
Electronics Forum | Thu Apr 12 09:12:19 EDT 2018 | san_jeev490
Hello, currently I am being getting solder pot contamination test form my supplier and results found okay to except. during the audit question was raised on historical data analysis, I request can some help me by sharing excel graphical template to
