Electronics Forum | Fri Jun 01 01:15:58 EDT 2001 | Brian Sloth Bentzen
Dear Keith. A vertical lift of stencil or vertical lowering of the PCB is best way to control the separation speed which is essential in fine pitch printing. The clamsheel lifting will give a different separations speed depending on the distance fro
Electronics Forum | Wed May 30 15:15:03 EDT 2001 | Jesse Katzman
Hello, I'm the director of publications for the SMTA, and we're testing the distributed content technology developed by SMTnet. I'm primarily testing the function of posting a new message, thus creating an entirely new thread, but would welcome inpu
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 | Wed May 30 21:00:53 EDT 2001 | davef
I'll pass on the "eternally grateful" stuff. A frosty at Jimbo's will do just fine. Go to the sites of the manufacturers of your equipment. Many have on-line manuals. Generally, access to these documents is limited, as you'd expect, to registered
Electronics Forum | Thu May 31 09:03:56 EDT 2001 | Claude_Couture
What kind of manuals are you interested in? Machine operation manuals? Technical manuals? Production process? If you have an "in-house" print shop, maybe you can arrange to have these manual duplicated. I used to do this before. Talk to your boss abo
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 | Thu Jun 14 21:20:23 EDT 2001 | davef
Aw, don't be such a baby!!! ;-) It's a blank of a lot cheaper than ENIG. Costs about the same as HASL, maybe even cheaper. Why not have your fab build-up a split a lot [er, maybe build a few extra, whatever.] next time you order your "favorite" b
Electronics Forum | Wed Apr 23 15:17:11 EDT 2003 | Robert
Let me see if I got this right. The OSP in un-plugged vias will break down after subsequent reflows and washes which can result in oxidation. Question: Is there any paper covering oxidation and reliability on such a condition. We are averaging .0007
Electronics Forum | Tue Jun 05 14:38:55 EDT 2001 | pteerink
You would be better served to check your print quality as you run. Any problems caused by dirty stencils ( plugged aps etc ) would show up right away as a defect. Search the forum for more on this subject. I seem to recall the same subject coming up
Electronics Forum | Tue Jun 05 20:45:54 EDT 2001 | davef
So, yer lookin' to detect a ~25um glob on the wall of the aperture on yer stencil, eh? Why not wash your stencils before you put them away? That's what we do. Give 'em a quick looksee, then rack 'em, if they're clean. Give 'em anudda looksee befo
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