Electronics Forum: solder mask repair theort (Page 1 of 4)

Re: water soluble solder mask

Electronics Forum | Thu Oct 14 23:19:25 EDT 1999 | Dennis O'Donnell

Water soluble masks are great in my book. After having used the latex type, I found that the water soluble will save a lot of time. I dont't use a closed loop system, but I do have a filter on my discharge line. I have not experienced any filter c

Re: Solder Mask repair

Electronics Forum | Mon Apr 17 19:44:20 EDT 2000 | Dave F

Ashok: Well, your customer probably has a good reason for wanting you to send them boards without holes in the solder mask. What is their goal for the mask capabilities after you get do reworking the boards? * Cosmetic surface coat? * Performance t

Solder Mask repair

Electronics Forum | Fri Apr 14 19:09:38 EDT 2000 | Ashok Dhawan

One of our customer insist on repair of solder mask even if it is pin holes or less than 0.010 sq in. area. Based on our knowledge bank, we though of thre options, there could be many more. 1. coat the exposed area with original solder resist (from

Epoxy for solder mask touch up

Electronics Forum | Mon Nov 08 12:47:52 EST 2004 | clampron

Good Day Everyone, I have a BGA rework that has some chipped/damaged solder mask that will need to be repaired prior to BGA replacement. I was wondering what materials are being used in the industry for this type of application. Any help would be g

Epoxy for solder mask touch up

Electronics Forum | Tue Nov 09 10:44:13 EST 2004 | russ

I guess i might want to throw this in for future reference. After speaking with our board supplier he states that this mask is fully cured when it reaches approximately 180C. I beleive this since we usually probe the repaired area after putting the

Re: no-clean mask for gold fingers

Electronics Forum | Sun Jan 31 23:03:57 EST 1999 | Dennis O.

| | hi, | | i am working towards developing a no-clean process for a customer at contract manufacturing facility. the assemblies have gold fingers on them. these are masked to prevent from any damage to them during reflow soldering. the earlier pr

BGA Solder Mask Repair

Electronics Forum | Thu Feb 22 15:04:12 EST 2001 | markkrmp

I have been reballing some BGA's. Some of the BGA's have solder mask damage and cannot be recovered until I find a way to reapply the solder mask. Are there any suggestions?


Electronics Forum | Tue Jun 21 21:54:34 EDT 2005 | Zeta

PCB BOARD - After removal of the BGA from the PCBA. In the midst of removal of the solder at the PCB, the green mask was scratched. If we do not repair the green mask, the whole board will have to be scrapped. Which repair kit do you recommend. W

BGA Solder Mask Repair

Electronics Forum | Tue Feb 27 11:28:08 EST 2001 | fkurisu

Hello Mark, It is possible that SolderMask, Inc. could selectively remove the existing solder mask, clean and reapply a Photoimageable solder mask to the BGA area. Mostly likely the mask on your boards is a Liquid Photoimageable Solder Mask (LPIS

BGA Solder Mask Repair

Electronics Forum | Fri Mar 02 11:13:50 EST 2001 | fkurisu

Hello Mark, To date all solder mask rework we have done has been on the PCB board. I believe that it possible to reapply solder mask on to the ball side of the BGA. Would it possible to evaluate some of your BGA's? You can contact me at 714 842

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