Electronics Forum | Fri Apr 16 11:03:35 EDT 2004 | davef
Your copper corrosion is not good. It indicates that you have not done a good job in cleaning. [We assume this is a medium green color, not unlike the color of the solder mask on your board, that is almost like a translucent lacquer; rather than th
Electronics Forum | Wed Jun 17 16:08:37 EDT 1998 | upinder singh
We are facing a problem of high contamination on boards after wave soldering. We want the contamination to be under 24 ugm/inch square. We are using a no clean flux with the spray fluxer unit of wave soldering. The contamination is higher on the end
Electronics Forum | Wed Jun 17 16:19:10 EDT 1998 | Ryan Jennens
| We are facing a problem of high contamination on boards after wave soldering. We want the contamination to be under 24 ugm/inch square. We are using a no clean flux with the spray fluxer unit of wave soldering. The contamination is higher on the e
Electronics Forum | Thu Mar 17 10:14:30 EST 2005 | davef
If you're washing the boards properly, you should see any problems, maybe a little extra floaming, but that won't be too bad. If you're running no clean, you need to aplly flux according to your supplier's recommendations. If you decide not to foll
Electronics Forum | Sun Jul 26 20:56:43 EDT 1998 | Masdi Muhammad
We are trying to reduce the number of units fail at system test due to flux on gold finger. We know so far that the flux is deposited onto the goldfinger during touch-up or rework and to reduce the contamination we are planning to implement 'tapin
Electronics Forum | Tue Apr 20 20:11:58 EDT 2004 | davef
First, how oxidized are these solder balls? Will the take solder using your routine flux / paste? Second, on restoring solderability, the three basic methods you can use to restore solderability on components are: * Highly active fluxes in a retinn
Electronics Forum | Mon Apr 01 20:10:24 EST 2002 | davef
Oh. [Howabout if I smack you?] If ahma connectin� wif whut yer sayin�, you: * Don�t like the appearance of the glue slobberin� out from under the component even though there is no apparent glue on solderable surfaces. * Concerned about the hydrosco
Electronics Forum | Mon Jul 27 17:09:20 EDT 1998 | Rin
| We are trying to reduce the number of units fail at system test due to flux on gold finger. We know so far that the flux is deposited onto the | goldfinger during touch-up or rework and to reduce the contamination we are | planning to imp
Electronics Forum | Thu Aug 31 14:27:23 EDT 2000 | Travis Slaughter
How to clean a contaminated board would depend on what it�s contaminated by, alcohol may be just the thing. If there is bare copper that has corroded that could be more of a problem, or maybe not if its due to poor tinning by the board house you coul
Electronics Forum | Wed Aug 30 23:45:28 EDT 2000 | Ramon I Garcia C
Hi friends; Steve I'm using flux Kester 959, my top temperature is 187 celcius degrees, my e-mail is ramigary@smtnet.com, Travis I'll check the pcb for contamination, but how may I clean the pcb? may I use alcohol? Nance I cleaned the pipes of the
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