Electronics Forum | Tue Apr 10 11:39:29 EDT 2001 | brownsj
One of the reasons for a grainy joint is the cooling of the joint after reflow. Check your reflow profile, not just the preheating and reflow section but also the cooling zones. It works the same way as molten rock. If it cools slowly you get pumice
Electronics Forum | Thu Aug 16 17:18:34 EDT 2001 | ohanlon
DEK has a portable Printer caddy that holds five 29 X 29 stencils. It also has a place to store Squeegees and a stainless steel top for clean up. If you go to their website DEK.com under their "screen & stencils" section you can read about it.
Electronics Forum | Wed Oct 17 08:58:05 EDT 2001 | davef
Thank you. I never said that Sipad, Precision Pad, Optipad, and SSD were not available in the US. Are you saying that these products were not developed in Euroland? Please provide links to papers describing the reliability, cost, list of multiple
Electronics Forum | Wed May 02 16:20:01 EDT 2001 | mparker
As a second thought, just to address your problem, try contacting a local fabrication shop for restaurant supply. They are used to working with stainless steel. I once had a complete sink/workstation top fabricated to my specs. for a fraction of the
Electronics Forum | Thu Jul 20 16:08:08 EDT 2000 | Bob Willis
Yes if we are going to be lead free than lead will have to go. There are alternative plating finishes, Shipley have been doing a lot of work in this area. Also have a look at the NPL web site. Some people say that new crieria is necessary but I thin
Electronics Forum | Wed May 30 15:40:14 EDT 2001 | davef
Slappy, Most of our discussions about flex came before the last great SMTnet.com server transition that destroyed the archives. Consider custom building carriers with tooling holes, vacuum line holes, alignment pins, multiple layers, etc. from uncl
Electronics Forum | Wed May 30 17:43:50 EDT 2001 | jollyrodger
I'm trying very hard to find any online production manuals. Can anyone point me in the right directions. We have plenty at my place of work, however, they are not allowed to be removed from the factory. The only opportunity that I would have to st
Electronics Forum | Tue Jun 05 22:15:17 EDT 2001 | davef
I don't care about any of that stuff!!! I like it when people can read "technical [shop] English" [Actually, reading any English is good, for that matter]. It's a real bonus when they can think clearly enough to solve day-to-day problems. Coming t
Electronics Forum | Fri Jun 29 13:13:32 EDT 2001 | Brian W.
What workmanship standard are you working to? The IPC book has an allowance for boards with heatsinks or thermal masses that allow less than 75% barrel fill on through hole parts. I would suggest that you check your board layers and determine if yo
Electronics Forum | Fri Jul 06 18:21:24 EDT 2001 | davef
Maybe someone else can help, like: http://www.ceeris.com/efficiency.htm. Check with the following SMTnetters: * Steve Gregory. He posted a thread within the past week or so on solderability testing. He used to work at a memory module manufacturer
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