Industry News | 2007-04-25 09:05:17.0
You can always be sure of finding something new at Nepcon. New equipment, new processes, new applications, new businesses, new people, and new ways of doing old things. Nepcon 2007 at the NEC this May is no exception with more than 30 new companies.
Industry News | 2021-10-31 21:29:46.0
At present and in the future, the maintenance of the electrical control equipment, VFD (Variable Frequency Drive) will become the professional knowledge that all electricians need to master. As a reliable supplier of leading brands of VFDs for many years, OKmarts now shares ten simple and easy maintenance methods to the majority of VFD maintenance technicians. Hopefully these experience can help you in the maintenance of VFDs.
Parts & Supplies | Pick and Place/Feeders
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Electronics Forum | Thu Aug 21 08:15:07 EDT 2008 | naynayno
Thanks Dave, I will be sticking with Manufacturing Engineering. These are good guidelines but what is standard clearance for various packages? This is a dimension we usually seek by eye, whether we will have a problem or not. We use straight DI -
Electronics Forum | Wed Aug 20 17:05:42 EDT 2008 | naynayno
We have experienced contamination under flat chip arrays. The lab report is still open but it appears to be dendrite growth. We have been trouble-shooting our process and cleaning equipment. My question is are there any specific design or best p
Electronics Forum | Thu Aug 21 08:33:09 EDT 2008 | davef
There is no standard as such. It's easy to see why. It's too complicated and has such a small payoff. Standoff is comprised of: * Package height * Solder thickness between the pad and the component lead * Delta of pad thickness and solder mask For p
Electronics Forum | Wed Aug 20 20:10:30 EDT 2008 | davef
Naw, accounting is boring. Standoff could be an issue. Coupla things: * Above 30 thou, just about any cleaning process, more sophisticated than a garden hose, will produce acceptable results * Below 10 thou, can be cleaned with best efforts, but not
Electronics Forum | Mon Apr 10 22:17:34 EDT 2000 | Dave F
Rob: What was driving the uBGA bridging? On your arrays: * I doubt that your supplier would be pleased that you are wave soldering these pups. If you insist, present leads to the wave on opposite sides of the package at the same time. Is this an
Electronics Forum | Tue Apr 11 20:31:54 EDT 2000 | Dave F
Russ: You�re correct. I should have explained our reasons for preferring concave over convex better. First, we use both also ... we just prefer concave because they: * Don�t bridge any where near as easily. * Self-center better. * Seem to have mor
Electronics Forum | Wed May 29 14:58:41 EDT 2002 | R.Barcelos
There has been an increase in the number of defects regarding the solderability of resistor network arrays(pin opens specifically). Has anyone else experienced this? Also, does anyone have any FYI that they would like to share?
