Electronics Forum | Tue Jan 04 21:21:57 EST 2005 | davef
Scotty: If you have excess CNC machine capacity, it might be economic, but if your machine and design resources are loaded-up the $1000+ sounds cheap. [Just another voice screaming in the dark.]
Electronics Forum | Thu Feb 15 13:18:16 EST 2007 | slthomas
The E5s I had just needed the fids to be burned black. Never needed epoxy, although we did have one stencil that we had to touch up with a sharpie now and then because they didn't burn it dark enough (too hot...?).
Electronics Forum | Fri Oct 31 09:57:34 EDT 2008 | sys_steven
That's an amazing shot in the Dark. Never had to put in a CD to make it work....But, you could also try to add aluminum foil to the light tower to improve the reception, maybe that will help! Or even bring in someone to meditate over the machine wh
Electronics Forum | Fri Nov 25 14:56:47 EST 2011 | davef
This is not what we'd expect. We need more information about process, materials, and distribution of the problem. Also, a picture would be nice.
Electronics Forum | Wed Dec 07 15:19:10 EST 2011 | soren
If this is a water soluble flux, then the discoloring is caused by the still active flux microetching the solder fillets. Prevention is to wash off all water soluble flux as soon as possible
Electronics Forum | Thu Jan 19 16:32:37 EST 2012 | dyoungquist
We do selective soldering here so if you attach the pictures I might be able to offer some suggestions.
Electronics Forum | Sat Sep 22 13:02:40 EDT 2012 | elefu
Dek265 Upward vision is dim. Replaced bulb. Vision is still to dark to see anything. Bottom you can see fine. Any ideas?
Electronics Forum | Tue Jul 16 02:48:54 EDT 2013 | trottmann
...Welcome to the dark side of Inspection... Does anybody have experience? Which Manufacturer has the best System? Whats the Problems? What equipment do you use and why? Best regards from the sunny side of Bavaria
Electronics Forum | Wed Aug 07 13:15:21 EDT 2013 | simplycomplex85
http://imgur.com/a/ujk7k Maybe pictures will help. The solder is dull (not dark) grey, so its not reflective.
Electronics Forum | Fri May 23 15:39:37 EDT 2014 | hegemon
You are on the right track for sure Andrzej. Conditions 1 and 4 I see often enough, but I would also lean towards condition 1, like you. 'hege