Electronics Forum | Thu Nov 19 14:38:49 EST 2009 | doremi
Oh, my dear, printer is just a part of the full picture. Without good and stable pick and place what if the printer is excellent???It is all important - printer, solder paste,stencil,P&P,oven,AOI and of course good process engineers or whatsoever are
Electronics Forum | Tue Dec 11 22:31:40 EST 2001 | davef
I'd be surprised if solder mask color is causing your delamination. We use various solder mask colors on FR4 boards and notice no difference. * ~99% of our boards are a medium green * ~1% of our boards are dark green * One of our boards is caramel b
Electronics Forum | Fri Jan 09 01:15:45 EST 2009 | sarah_9
Hello, Hey friend i also wonder why always green , recently i purchased blue solder mask for my brother, it looks more attractive and lively. Regards, sarah_9 www.museoshop.com/
Electronics Forum | Tue Dec 11 18:32:30 EST 2001 | edmentzer
Does anyone have experience with different colors of solder mask. I am interested to know if a clear or light color mask is better in the reflow process. Most of the boards we do have a green solder mask. It seems to me that I read somewhere that
Electronics Forum | Wed Jan 14 08:43:14 EST 2009 | prkonrad
I did not change my mind, I just said that we sat down with the manufacturer and showed them the 3-4 different color PCBs for one product. They agreed that it is not acceptable... and supply us only from one of their sites. (the different manufacturi
Electronics Forum | Mon Jan 12 03:55:27 EST 2009 | prkonrad
Sorry, if my first comment was a bit offensive against PCB manufacturers (it was not really intended :( ). We have already discussed the above mentioned issues with the manufacturer, and they stated, that everything is within specification... (and y
Electronics Forum | Fri Jan 09 10:06:18 EST 2009 | boardhouse
Hi Konrad, Nothing is ever Clearly one persons issue. Color differences could be caused by many things. 1) Being the solder mask is a two part mix, there is never a 100% guarantee that the color will be the same from lot to lot. 2)the Manufactur
Electronics Forum | Wed Jan 14 18:23:05 EST 2009 | boardhouse
konrad, Here are a couple of things that can affect color. 1) Material color is the major, 2) Matte green from Enthone would be different in shad than Matte green from Taiyo. 3) Solder mask is two parts, One the green mask, two the hardner, having t
Electronics Forum | Wed Dec 12 17:00:14 EST 2001 | mparker
Aw Dave - you guys are so fashionable, are the dark green and red combos seasonal? caramel brown like a Pale Ale? I once heard that the green was chosen because it gives the best color contrast for white silk screens. As for color reflecting or abs
Electronics Forum | Tue Jan 13 12:54:11 EST 2009 | boardhouse
Emil, Part of the problem it sounded like is that the color was not clearly defined as light or dark in Matte or gloss. Your example of car paint would have the same issue if you just ask them to paint your car green. What color of green would y
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