Electronics Forum | Thu Oct 01 13:33:01 EDT 2015 | marlyn
Hey there fellow people with SMT > issues... What's the proper procedure for > soldering through-hole headers on the back-side > of the PCB (pins poking out on same side as SMT > parts)? ( Yes - I did the SMT side first and am > now faced with L
Electronics Forum | Thu Nov 30 00:41:23 EST 2017 | abhilash4788
Dear All, I have OSP finsh pcb on my production, the pcb thickness is 1.5mm and the product is one sideded pcba. After reflow process, Is there any specific time frame defined for smt completed OSP finish pcba before going for wave soldering proce
Electronics Forum | Thu Sep 03 01:15:52 EDT 2020 | kylehunter
> The problem that we have seen applying NC flux > (EF2210) at selective solder is that the flux > overspray (relative to the nozzle path) did not > see high enough temperature to activate the flux > and turn it to a non-conductive
Electronics Forum | Thu Jan 28 21:00:26 EST 2021 | charliedci
I use FCT Recovery. During the last 6 months we've been going thru a 6S mission here so we have scrapped old equipment, shelving, anything with the least little metal in it. We sent them some cardboard (by mistake), they sent that back. Now we do sen
Electronics Forum | Wed Nov 08 20:32:19 EST 2000 | Dave F
There are several very good threads from a couple of years ago on selective soldering and solder fountain machines in the SMTnet Archives.
Electronics Forum | Thu Oct 07 22:05:23 EDT 1999 | Dreamsniper
Is there an IPC Standard stating the max. number of times that a PCB can pass through a reflow or wavesolder machine without having solder mask breakdown. PCB is FR4 Solder Mask is LPI Reflow and W/S Profile = Standard thanks and regards,
Electronics Forum | Thu Jun 13 19:58:51 EDT 2002 | john_wsme
Dear All, We have a SRT BGA rework machine and we created several profiles following solder reflow reqirement, but when we installed BGAs, we saw a lot of solder bridging in the conner. Please give us some ideas to eleminate this problem. Thanks in
Electronics Forum | Wed Apr 27 22:36:47 EDT 2005 | devilhitam
is there any relation between solder paste viscosity and the length of time the solder paste being used in the machine? pls advice....
Electronics Forum | Tue Jul 18 19:20:25 EDT 2006 | sharifudin
Actually we run lead free solder paste and the profile spec very tigh.I can't use capton tape due my product in panel form and save cost.I already verify conveyor,machine and tool free from dust and solder paste but the problem still remain.
Electronics Forum | Fri Apr 13 08:59:49 EDT 2007 | pjc
FYI: There are laser selective solder machines that use standard solder wire, such as: http://www.seicatestsolutions.com/pages/161/FIREFLY.php
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