Electronics Forum | Fri Jul 26 03:52:03 EDT 2013 | danyquintard
Hi We produce electronic pcboards for the aircraft industry. Some of our clients think that the thickness of the varnish left is proportional to the intensity of the blue color of uv's pigments in the varnish. Out off, we know that is not true. The
Electronics Forum | Thu Oct 21 23:20:05 EDT 2010 | camtechpcb
According to the Trichromatism.Half red and half blue will get purple.But the trichromatism only apply to color light. The red and blue soder mask are coloring material.Both of them absorb light.You mixed them up,so you lose blue and red,and get grap
Electronics Forum | Fri Jul 30 16:12:12 EDT 2004 | davef
Search for "SMT Terms and Definitions" in the "Library & Bookstore" tab in the light blue area on the left of your screen.
Electronics Forum | Fri Aug 26 13:41:41 EDT 2005 | bobpan
fastek, Is that a k-mart blue light special price.....hahahaha....bet lots of people have purchase that.....ya right.... chow
Electronics Forum | Tue Dec 13 22:44:12 EST 2005 | davef
This is a technical forum. Please post your job search in the 'Career Center' in the light blue area on the left hand margin of this page. Good luck.
Electronics Forum | Fri Jan 19 10:43:28 EST 2007 | jimmyjames
You guys are all joking right?! There aren't any contaminates in your solder, the different colors on the surface are completely normal and even expected. The top layer of solder oxidizes and the structure of the surface resembles crystals, refract
Electronics Forum | Wed Dec 29 13:45:08 EST 2010 | methos1979
Chris, The red/blue filter as you call it (on the MV3L it's called HorzVert Sum I think) has become my go-to light source view for manual visual evaluation of flagged solder defects. Of all the lighting sources available, this one gives me the best
Electronics Forum | Tue Sep 03 22:32:04 EDT 2002 | davef
Naw, alcohol and solvents won't do dip. Hold-off on: * Destructive testing. [Athough this will convince you to move on to other things.] * Rework of the solder connections. [Although this will correct the problem.] Consider investigating your aque
Electronics Forum | Thu Oct 28 11:41:21 EDT 2004 | Steve Stach
Hello Loz, Blue residues on circuit boards can be caused by copper corrosion, component body deterioration, marking permanently, and adhesive break down. In this case, a more subtle mechanism appears to be possible. This is a no clean application
Electronics Forum | Mon Dec 12 22:14:42 EST 2005 | davef
�a va Frank? Well, popularity depends on the beholder. Never heard of your "Specnor" machine. US and Eurolanders take different approaches to conveying boards. * US: Finger conveyors * Eurolanders: Pallet conveyors Suppliers of wave solder machin
