Electronics Forum | Wed Nov 20 01:38:53 EST 2019 | ajspec
Hi, i'm facing solder mask peel off but limited to the solder defined pad only(opening area). no peel off on the other area and it happened on electroless nickel immersion gold finishing only. for other finishing is not affected. kindly advise if you
Electronics Forum | Wed Dec 11 11:26:25 EST 2019 | SMTA-Norah
Yes, a polite complaint to our board shop later and the next batch didn't have that problem at least. I'm not convinced it's an ENIG issue as there was variability panel to panel in the first place.
Electronics Forum | Thu Jul 20 16:45:54 EDT 2000 | Darby
Good morning Bob. Darby from Australia here. We sometimes see an orange peel type finish on our reflow solder joints when viewed under the microscope. Any ideas on what causes this ? Should I worry about it. I use a straight rise profile ( no "platea
Electronics Forum | Thu Jul 20 17:10:11 EDT 2000 | Darby
It's six in the morning here! Give me a bell the next time you are out here and I'll take you fishing on the sensational Sydney Harbour. However I will not be getting out of the boat and "diving" - too many noahs arks. I'll leave that to the daredevi
Electronics Forum | Thu Jul 20 16:56:38 EDT 2000 | Bob Willis
What do you mean good morning, my wine bottle is empty and I feel like sleeping. When will some one invite me back to your country to work again ? I need to do some more diving ? The most common cause is simpley the flux on the surface of the joint.
Electronics Forum | Thu Jul 10 12:56:46 EDT 2014 | clydestrum
VERY interesting. Thanks, folks. I will look into this.
Electronics Forum | Fri Jul 04 06:49:41 EDT 2014 | padawanlinuxero
Hi We had the same problem but it turns out the problem is with the supplier we use a water base flux too, supplier change the solder mask and it work. cheers!
Electronics Forum | Sun Jun 29 07:31:03 EDT 2014 | vitrost
Hi, We had experienced very similar issue on boards of a certain PCB manufacturer. Field experiments showed that the solder mask of this manufacturer is prone to swelling and peeling after it was in contact with our water-based flux. When you switc
Electronics Forum | Wed Jun 04 11:09:06 EDT 2014 | clydestrum
Ok, I have an issue that is somewhat uniform in it's recurrence in that it keeps showing up on the same location on the board. The problem area is a group of traces on the exposed side, that keeps having solder mask peel occur. As you can see in the
Electronics Forum | Mon Apr 03 23:17:51 EDT 2000 | Brian G
We have been experiencing intermittent problems with the solder masking bubbling up from the bottom side of the board, after wave soldering. Our board fabricator claims that none of his other customers are experiencing this problem, and that it is pr
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