Electronics Forum | Thu Feb 12 12:30:16 EST 2015 | stevezeva
I remembered something from the TechNet a long time ago about heating the board with a heat gun to see if the white spots disappear. I searched the archives and found this from Bill Kenyon: Quick identification of solder mask white spots- if it is t
Electronics Forum | Wed Feb 11 17:04:47 EST 2015 | davef
A-610E, 10.7.4 covers solder mask discoloration. Use that for your disposition In a previous thread, Boardhouse told us "Here are a couple of things that can affect color. * Material color is the major, * Matte green from Enthone would be different
Electronics Forum | Thu Feb 12 08:35:22 EST 2015 | davef
Solder mask is intended to protect the traces from the soldering process. That's it. [Tried to upload a picture. It's broken.]
Electronics Forum | Mon May 09 11:29:05 EDT 2016 | jpal
I wanted to bump this up. I am having the same problems. I cannot convince folks it is a solder mask issue and not our process issue, even though it shows up after wave and wash. I can heat the boards and even send them back through the wave preheate
Electronics Forum | Thu Feb 12 07:58:54 EST 2015 | erezah
A-610E, 10.7.4 covers solder mask discoloration. > Use that for your disposition > > In a previous > thread, Boardhouse told us "Here are a couple of > things that can affect color. * Material color > is the major, * Matte green from Enthone wou
Electronics Forum | Mon Aug 09 04:15:33 EDT 1999 | Jacqueline Coia
I am having cleaning problems when processing PCB's which have TAIYO solder mask on them. After processing, hand soldering and cleaning, a sticky residue is remains, resulting in a cosmetically poor finish with tide marks etc. Other soldermasks do no
Electronics Forum | Wed Jan 05 14:45:14 EST 2000 | Hoyt Moore
Does anybody know how to remove solder mask from pads that were masked over.
Electronics Forum | Fri May 21 09:48:30 EDT 2010 | tomg_fla
Am looking for a dispensable water soluble solder mask or peelable solder mask that can be dispensed and be run through a reflow oven with no swelling or degradation. Any leads on any materials or manufacturers to contact?
Electronics Forum | Wed Dec 18 08:38:17 EST 2002 | davef
Thanks Tim. Additional thoughts are: * We've talked here on SMTnet about hole fill previously. * That your ability to get hole fill is probably limited by mask in the hole makes us very uneasy, because hole could have varying levels of solder mask i
Electronics Forum | Wed Dec 11 11:35:15 EST 2019 | dilogic
Just out of curiosity - what is the rationale behind specifying mask thicknes?
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