Electronics Forum | Sat Mar 17 22:11:49 EDT 2018 | jacobidiego
Hello experts, I wonder if you have any recommendation regarding reducing the boards needs to be washed out.... it is mainly generated due to first miss-printing after each Production Order setup.... but since board washing is a very manual process,
Electronics Forum | Tue Aug 26 19:54:59 EDT 2003 | bman
I've got a crazy idea that I think might just work, so I need you guys to shoot it down. We will have an in-line wash with a 24" wide belt in our new facility. I'm thinking we might be able to run our 22" screens through this wash instead of using
Electronics Forum | Wed Feb 18 11:21:14 EST 2004 | Mike Konrad
You have two choices� Change your paste or beef-up your wash chemical. I�ll let others discuss paste options but as far as wash chemical is concerned, consider chemicals specifically designed for such applications. Zestron is promoting A300 as sui
Electronics Forum | Fri Mar 19 14:31:43 EST 2004 | pdeuel
DI water de-ionized water is an easier way to ensure washing free of contaminates. De-ionized water has a characteristic resistance of 18 meg ohms per cm squared. Resistance monitors can be installed in cascading wash systems that would monitor conta
Electronics Forum | Wed Mar 24 12:36:26 EST 2004 | wintech
Hello We are using a No-Clean process for a lot of boards that we do, but the customer needs the flux removed off the bottom side of the board and there is to many leaded components that can not go through a water wash, so is what we do is clean th
Electronics Forum | Thu Aug 05 19:10:53 EDT 2004 | celldude
wash->ssd top->wash->sticky flux bottom side->place smt components->reflow->wash->sticky flux top side->place topside smt components->reflow->wash) ssd is basically the process of applying solder paste to the pcb with a stencil and the solder reflowe
Electronics Forum | Tue Aug 16 08:01:20 EDT 2005 | davef
Peter: Questions are: * From your pictures, the white residue appears to be only on the solder mask. Is that correct? If not, what is the location [eg, solder, nonsolder/nonmask areas] of the residue that doesn't show well in the pictures? Further,
Electronics Forum | Tue Feb 28 07:50:06 EST 2006 | amol_kane
we have used blue and red color solder mask on a trial basis for our LF assemblies. We are performing expts using Imm Sn and Imm Ag to determine the best surface finish. Also, we pass the LF baords thru the same inline wash as you dont wash away the
