Electronics Forum | Fri May 06 16:19:40 EDT 2005 | jdengler
Does the problem happen at start-up? Does the servo amp have an error? If yes to both, could be a bad cable, or a badly tuned servo amp. If after running and the amp has an error it could still be the cable but also brings in things like a bad motor
Electronics Forum | Sun Jul 03 16:21:33 EDT 2005 | mrduckmann2000
Opps! My bad! Sorry.......
Electronics Forum | Fri Jun 01 01:07:13 EDT 2001 | Brian Sloth Bentzen
I would be very interested in informations on OSP (organic solderability protection) on PCB�s. Good or bad experience with solderability, storage etc. There must be different types / brands of OSP. What type should be prefered ? And if possible
Electronics Forum | Mon Jun 14 22:49:46 EDT 2004 | Ken
Um...I would reject those boards. skip plating is a process indicator...a bad indicator. IF your building to class 3...I would get the rep in ASAP and reject the lot.
Electronics Forum | Tue Jun 07 08:57:14 EDT 2005 | ktron
Hi there, I have questions regarding on dewetting issue.. Q1) How to identify on good or bad ICs lead that could contribute to dewetting? Q2) What actions that must be taken in facing this issue? Thank n regards,
Electronics Forum | Tue Mar 17 17:07:07 EDT 2009 | keithej2
Engineering tried it with special made .4 nozzles (which we could never get to pass a center test reliably) but the results were less than spectacular. The reject and bad placement rates were high so that idea was abandoned.
Electronics Forum | Mon Dec 03 14:53:54 EST 2007 | jmelson
Well, it mostly does. The explanation and how-to-fix fields of the error chart do contain some howlingly bad translations. But, the how to fix field said the management info needed to be cleared. Once I understood they meant the MIS statistical dat
Electronics Forum | Thu Nov 09 23:27:53 EST 2000 | Craig
We are considering using gold plating on our fine pitch pcbs (as oppossed to HASL). We have heard of long term solder reliability problems with joint imbrittlment how bad is this and does it apply for all of the different plating processes the same?
Electronics Forum | Tue Oct 09 14:41:13 EDT 2001 | mparker
I just realized my last posting has some incorrect references. Blame it on last nights sour mash! (St. Pauli girl didn't respond!) The article I referenced was found at the AlphaMetals website, a study done for AlledSignal, in conjunction with Churc
Electronics Forum | Mon Jun 14 11:44:23 EDT 2004 | Dreamsniper
I have boards with bad HASL application. First they're not even. Second some pad edges have no HASL and still remains bare copper. What's the maximum and minimum HASL thickness required for a good solderability. My boards are about 6 weeks old, I kno
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