Electronics Forum | Thu Feb 08 00:40:37 EST 2007 | Scott
I think that as long as the compliant portion of the pin is completely in the board, pin protrusion should not make any difference. I have seen some large Aerospace companies internal specifications and the two requirements seem to be that the compli
Electronics Forum | Sat Feb 03 13:33:30 EST 2007 | Scotty
Anyone out there in the Cyber SMT world have success/experience utilizing conductive adhesives as a substitute for typical eutectic alloys? Application is for a Single sided SMT Process. With a reliability life span of 8 hours. Forum feedback could
Electronics Forum | Tue Feb 06 06:41:53 EST 2007 | pavel_murtishev
Good afternoon, You have to use lead paste since none-RoHS components won�t withstand elevated temperatures. Solder paste manufacturers offer a lot of transitional pastes designed specially for mixed process. Ask your paste supplier for transitional
Electronics Forum | Mon Feb 12 17:05:29 EST 2007 | Jose
Today is more complicate to find components with lead than with "lead free", and the, I think that you have very feww lead components. And, if don�t work on exceptionals companies, you MUST use LEAD FREE PASTE. In one case, or in the opposite, the re
Electronics Forum | Tue Feb 06 11:14:58 EST 2007 | CL
Good Morning All, We are looking at new equipment for reworking BGA components that is RoHS capable. I wanted to get a feel for what others in the industry are using and get some feedback good or bad on these systems. We are currently using an Air
Electronics Forum | Wed Feb 07 13:41:20 EST 2007 | coop
I contacted philips/assembleon and they said it was 1,200 new I think we might end up going this route, I've stacked up old trays before, would rather not restrict the amount of feeders I can load, but you're right it will get yah by in a pinch. than
Electronics Forum | Mon Feb 12 18:53:15 EST 2007 | Cmiller
They must have ended up with a bunch of them in stock because they never quoted a price that low to us, of course Im getting older and my memory is not that great anymore. If you have even decent machine shop, make your own. The factory one is made o
Electronics Forum | Tue Feb 13 12:31:34 EST 2007 | coop
At my last job, I ran a phips topaz with an internal tray feeder ,that we put in, and the only problem we had was getting the thing level after it was level we didn't experience any difficulty but the one we had was made from machined aluminum. I alr
Electronics Forum | Tue Feb 06 23:01:44 EST 2007 | Wayne
The QFN is found to have contact problem during FCT. The paste that I am currently using is SnPb 63/37 water soluble paste. Is it because of water soluble paste? (unable to clean after reflow process as QFN is entrapped by paste/flux) Should we use
Electronics Forum | Wed Feb 07 09:37:48 EST 2007 | billyd
Had the very same thing happen the first time we used the small QFNs. The aperture for the thermal pad in the center needs to be cut in a grid form, either squares (with around a 10 mil spacing between openings) or circles, like a BGA pattern. Too mu
