Electronics Forum | Sat Jul 25 08:47:25 EDT 2009 | davef
Both "moisture content of bare board" and the "thickness of the copper plating in the PTH" are related to each other. As you heat the solder connection, moisture in the board boils and out-gasses through the solder connection. Plating with the proper
Electronics Forum | Sat Oct 03 07:26:01 EDT 2009 | cflames17
Check the reference plate on the hydra to make sure it is not cracked or delaminated. I have had problems with the glue coming loose and the plate flapping causing this same problem. check hydra camera calibrations, this to may help.
Electronics Forum | Wed Nov 20 16:47:10 EST 2013 | aaronpavone
I have a right angle male shrouded connector and the whole set of termination leads is tin lead plated, at least 100 microinches thick. Should the entirety of the lead be conformal coated? Or can we have just the joint coated? I know I have coated le
Electronics Forum | Thu Nov 21 11:19:58 EST 2013 | davef
Generally, solder connections and leads are conformal coated, unless there is a reason not to coat them.
Electronics Forum | Tue Dec 03 11:59:01 EST 2002 | slthomas
We haven't run a profile yet....probably because we're a-feared to. We can't do topside preheating here to any degree because we use an aluminum plate for aligning hundreds of top side through-hole components (pots, switches, buttons, LEDs) that te
Electronics Forum | Wed Jul 19 12:54:04 EDT 2023 | calebcsmt
Since side fillets are not a requirement for QFNs/BTCs due to some packages not having wettable side terminations, how does one determine if the side terminations are actually solderable/designed for wetting? Is it simply if the side terminations
Electronics Forum | Thu Aug 13 12:55:46 EDT 1998 | Dave F
| Hi, can you please tell me how to make green coating and through-hole plating of PCB? Thanks! | Xingsheng Xingsheng: Welcome. Bible on PCB fabrication: Printed Circuits Handbook, Clyde Coombs, McGraw-Hill Web resources: http://www.pwbrc.org/ a
Electronics Forum | Wed Jan 09 21:19:49 EST 2002 | davef
When I said "In this area, there is no difference between your experience in ceramic substrates and PTFE substrates." I was referring to the area we were discussing ... gold plating. I am sorry if you thought I ment than the wire bonding process wa
Electronics Forum | Thu May 02 07:11:10 EDT 2002 | davef
They probably the same. Most likely someone is saying immersion gold [immersion Au] as a short hand for ENIG [ Electroless Nickel - Immersion Gold]. It is very uncommon to plate gold directly on copper, because gold and copper form a brittle interm
Electronics Forum | Mon Dec 02 18:01:12 EST 2002 | GSW
Hi, Try to check if there is water absorbed in the flux or the humidity around the wave area. possibly plating on barrels that might be damaged?
