Electronics Forum | Mon Jul 29 21:41:22 EDT 2002 | davef
Rite. Moisture, not N2, in the air is the issue.
Electronics Forum | Tue Jul 30 08:38:55 EDT 2002 | dasal
Truthfully, there are pro's and con's for both technologies. (put cost of ownership aside for one moment) Nitrogen won't dry humidified components as rapidly as a desiccant dry box. I'm talking about a self regenerating dry box that uses molecular s
Electronics Forum | Wed Feb 23 17:24:06 EST 2005 | Austinj
Solder spattering, solder balls, components "popping" off pads........ Not a serious chemical reaction, however, as replied to by KEN on 12/21/04 in a similar article: "Are you adding liquid flux? Or paste "Gel" flux? If liquid flux: This, in my m
Electronics Forum | Wed Feb 23 01:06:06 EST 2011 | kemasta
Hi all Recentlt I encounter a issue, the solder paste was not dry after wave. Mostly happen and the end of the board. It is rare case, 1 day happen about twice. But to achieve our quality target, I still need to overcome this issue. I use Alpha OM-
Electronics Forum | Tue Nov 29 08:03:29 EST 2016 | robl
Is it non washable or non ultrasonic washable? Just asking as there will be some sort of xtal in the module that may have harmonic issues. Worth checking with the manufacturer.
Electronics Forum | Thu Aug 30 16:17:07 EDT 2018 | emeto
First suspect PCB contamination - clean the boards, bake/dry them, try again.
Electronics Forum | Fri May 07 00:52:24 EDT 2010 | boardhouse
Hi Derek, just curious of one thing - are the vias within the BGA's the only vias covered or are all vias on the board covered. Just trying to figure out what is making this area different from the rest of the board. Regarding leaching, I do not be
Electronics Forum | Thu Apr 15 10:05:50 EDT 2010 | dwonch
Hi all, Long story ahead.... We are having issues with board vendors on some of our higher layer count (thick) boards. Specifically under BGAs with high aspect ratio vias (14:1). We are using ENIG finish and a lead free process. Basically we get t
Electronics Forum | Sun Sep 09 02:24:04 EDT 2012 | audere
More lube on the O-Rings caused lots of problems. Nozzles would drop downward at times. So I pulled everything out and started from scratch. Testing 3 new Z-Rods, 4 used Z-Rods in good shape (replaced the O-Rings) and around 20 nozzles - the proces
Electronics Forum | Wed Apr 12 21:04:10 EDT 2000 | Dave F
Ashok: You still didn�t tell me why you want additional drying of your boards, but what the hey, we all have our dark secrets. Anywho, let�s consider some options for reducing the moisture of your cleaned boards: OPTION 1 - Up-Grading Your Cleaner
