Electronics Forum | Thu Dec 07 11:49:28 EST 2006 | K
We currently have RMA and WS soldering processes here and do batch cleaning for both. We are experiencing some capacity issues and are interested in looking at an IN-LINE aqueous wash. My experience with in-line wash is only with WS. 1. Since RMAs
Electronics Forum | Thu Feb 12 17:21:07 EST 1998 | Justin Medernach
| I would appreciate any information concerning the wash and bake of blank Printed Circuit Boards | before assembly. | + Is it necessary to wash and bake PCB�s before assembly? | + If any, what is the reason for wash and bake of PCB�s? | + If any, wh
Electronics Forum | Tue Feb 16 21:29:18 EST 2010 | actioncontrols
I predict you will have no problems with your soldering. Remember that all plating is only a few microns thick and quickly washed away by the molten solder. We have used white tin, immersion gold, OSG, etc. for quite a while with leaded solder and
Electronics Forum | Thu Jul 03 07:59:53 EDT 2003 | loz
OK. Point taken, lets keep this simple then, how about just the issue of under cured solder resist? Any body else encountered such issues. Just feedback, 'cause its something that just seems to have been highlighted to me. Thanks.
Electronics Forum | Tue Feb 16 13:30:20 EST 2010 | asksmt
Hi, I have specified Lead Free Plating for my Four Layer PCB. but the Final Production Solder Process is not Lead free it is leaded Process. My question is will there be an issue if we use Lead free plating on PCB and use leaded solder material fo
Electronics Forum | Thu Jul 03 17:42:01 EDT 2003 | Kris
What have you not seen ?
Electronics Forum | Wed Sep 29 08:26:03 EDT 2010 | babe7362000
We are Currently running a Board and it seems that the SOT-223's on the bottom side have flux and water trapped under the part. Nothing has changed in our process and this is the only board that it is happening on. We are using Kester R562 water wa
Electronics Forum | Wed Aug 07 19:41:34 EDT 2002 | ralugg
Thanks Dave and Steve, Your answers have will close this issue on Medical Pcb assembly and component specifications. your time is greatly appreciated.
Electronics Forum | Fri Mar 26 15:48:31 EDT 2021 | grahamcooper22
Leaded HASL on small pads can be quite difficult to print on...the HASL tends to be domed rather than flat..and that can affect print quality...you really need a perfectly flat pcb pad to print paste on when you are assembling 0.5mm QFPs. If the pcb
Electronics Forum | Tue Oct 09 12:23:07 EDT 2001 | Mike Konrad
Hi Danial, Yes, you can use one cleaning chemistry for all paste types. There are many available chemistries from many manufacturers. The chemistries that I would recommend include: StencilWash Plus from Aqueous Technologies http://www.aqueouste
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