Electronics Forum | Wed Jan 30 15:46:32 EST 2013 | davef
First, look here [http://www.ti.com/lit/ug/snva500/snva500.pdf ] This is the actual pdf from TI, not some cheap-ass reproduction, like the link you gave us. Orange polygons [and other shapes] - copper covered with ENIG * On the edge of the board, bo
Electronics Forum | Mon Nov 28 09:46:24 EST 2005 | pjc
I have waved gold (ENIG) boards. That's a pretty hot pot at 260C, wow. I have used 245C with good results. All other parameters look OK a glance. Well, PCB temp looks a little hot too at 130C before pot. 90-100C is typical for most No-Clean flux. At
Electronics Forum | Thu Feb 24 00:37:08 EST 2022 | joshsvoboda
I have a pcb with an ENIG finish that is using a 144 pin LQFP and being soldered withSN100C/NC258 T4 paste. I used a oven profiler where the probes are taped down to the joint and the profiling software adjusts the program for the best profile for
Electronics Forum | Wed Nov 09 07:43:12 EST 2022 | micropak
ENIG boards have low shelf life as oxidation starts showing up quickly on the solderable areas. We usually keep them vacuum packed till they are ready to be assembled. Most PCB manufacturers will send them vacuum packed.
Electronics Forum | Thu Nov 10 12:29:57 EST 2022 | stephendo
The G in ENIG is gold. It does not oxidise. Either you are thinking of OSP or your board shop is providing defective boards if your boards show oxidation. It would be the nickel that is oxidising but should be totally covered by the gold. Is there
Electronics Forum | Mon Nov 07 17:45:37 EST 2022 | emeto
Hello all, Can anyone advise if any standard covers ENIG plated boards shelf life? Or share what you do for bare boards storage and expiration criteria?
Electronics Forum | Wed Nov 09 17:18:08 EST 2022 | emeto
If they are vacuumed and they approach 6months or 1 year mark, what would you do?
Electronics Forum | Thu Nov 10 11:59:31 EST 2022 | dontfeedphils
Probably preform some sort of solderability evaluation on the PCBs.
Electronics Forum | Sat Nov 12 12:11:22 EST 2022 | micropak
Thank you Stephen... I also mistaken it with Immersion Silver.
Electronics Forum | Mon Nov 14 13:47:10 EST 2022 | emeto
kumarb would you just check PCBs for solderability or would you do something in addition?
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