Full Site - : white spots solder mask (Page 12 of 29)

Spot-On Mask (Solder Mask)

Electronics Forum | Wed Mar 16 16:02:55 EST 2005 | Dreamsniper

Hi, Need your help. Easy one. How do you evaluate Spot-on Mask, those that are peelable and used for wave soldering and conformal coating? thanks and regards,

Spot-On Mask (Solder Mask)

Electronics Forum | Thu Mar 17 09:22:55 EST 2005 | davef

J-STD-001, Appendix C, Material and Process Compatibility Testing

Conformal coating (again)

Electronics Forum | Mon Jan 26 11:41:04 EST 2004 | pbarton

Some questions: Is the peelable/spot masking only being applied to the earthing points on the one side or to both sides? Is the peelable mask you are using specifically designed for coating masking or is it the same as that you use for masking sold

White Solder Mask - color not consistent

Electronics Forum | Wed Feb 26 04:28:39 EST 2014 | chongns

Hi All member I have a problem on the stable down the color of the white solder mask PCB. first, i tough the color differences was cause by the solder mask ink, but after a close look, the color change are cause by the copper under the solder mask

Problems with Vision and White Soldermask

Electronics Forum | Tue Aug 02 10:46:03 EDT 2016 | proceng1

We are getting more and more customers wanting LED boards built on White Solder Mask. Well our printers do not get as much contrast between the white mask and the plated fiducial pad, and often the camera only sees white. Other than playing with

Re: Residue/Cure Testing Of Solder Mask

Electronics Forum | Sat May 30 08:24:09 EDT 1998 | Dave F

| | | | We recently made the switch to no-clean and the wurface mount is turning out beautifully. However, the wave solder process continues to put up a fight; we are getting a white residue on the surface of the PCB. The residue is not locali

Re: Residue/Cure Testing Of Solder Mask

Electronics Forum | Sat May 30 12:51:29 EDT 1998 | Earl Moon

| | | | | We recently made the switch to no-clean and the wurface mount is turning out beautifully. However, the wave solder process continues to put up a fight; we are getting a white residue on the surface of the PCB. The residue is not loca

Re: Residue/Cure Testing Of Solder Mask

Electronics Forum | Fri May 29 17:07:00 EDT 1998 | Dave F

| | We recently made the switch to no-clean and the wurface mount is turning out beautifully. However, the wave solder process continues to put up a fight; we are getting a white residue on the surface of the PCB. The residue is not localized

White Solder Mask Discolored after Reflow Oven

Electronics Forum | Sat Aug 15 06:29:40 EDT 2009 | abeasia

Help, experiencing discolor of a white solder resist paint after reflow of 250 degree, it turned yellow. Have tried many paints, no luck. Anyone knows one that wouldn't change color and holds the white nicely? Thanks for your support in advance.

White powdery residue following Wave

Electronics Forum | Tue Mar 06 13:59:39 EST 2001 | dason_c

I have experience to the Kester 2331 water soluble flux long time ago with white residue and it related to the solder masking. Check what kind of the solder mask and ask Kester to do the test for you. Rgds.


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