Electronics Forum | Thu Oct 20 05:56:56 EDT 2016 | fadzril
Basically, what is the main issue which requires you to use black fiducials? Stencil mark recognition issues? Solder printer machines have ability to adjust the brightness or contrast.
Electronics Forum | Wed Sep 26 12:16:44 EDT 2012 | bwjm
Hi Guys,recently i am facing an issue. Refer to the attached photo. This PCB is high RF speed, gold immersion single layer. After reflow, my solder seems to have black stains on it. I tried with SAC305 paste water soluble and no-clean, both results a
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 | Wed Oct 13 12:07:43 EDT 1999 | mikeh
Hi, I am currently using a peelable mask prior to wave soldering and have started exploring water soluble/washable masks. The mask will be used with water based and alcohol based flux. Are there any compatability issues to concider and how will this
Electronics Forum | Wed Jun 23 13:34:29 EDT 2004 | df_indy
I am four weeks into my new job, there always seems to be some issues here with PCB every week. Today while I was checking some assemblies with micro-scope, I found a lot of tiny bubbles/blisters on the board. They are just little dots if you look
Electronics Forum | Mon Aug 09 16:15:30 EDT 1999 | JohnW
| 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
Electronics Forum | Mon Aug 09 18:03:28 EDT 1999 | Earl Moon
| | 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 solde
Electronics Forum | Tue Aug 10 07:28:49 EDT 1999 | Brian
| | | 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
Electronics Forum | Tue Aug 10 15:19:55 EDT 1999 | Earl Moon
| | | | 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.