Electronics Forum | Wed Aug 14 11:34:24 EDT 2002 | carln
Is your exhaust duct connected to a reflow oven that is used for flux? The condensate may be carring over from another oven that shares the same duct.
Electronics Forum | Mon Aug 19 04:48:27 EDT 2002 | surachai
I'm not found this problem with adhesive but found in NC flux , Then you should get some residue and analyse it by SEM and EDX for specify the actual source ( flux or adhesive ? ) , if it 's from adhesive , sometime your supplier must join this pro
Electronics Forum | Tue Aug 13 16:51:50 EDT 2002 | swagner
Here are the answers to your questions. 1. Yes, some increase conductivity when the approach the end of their shelf life. 2. Yes, the manufacturer as well as the type. 3. Try burning off more of the flux in your preheat. 4. Yes, especially for QA.
Electronics Forum | Tue Aug 13 20:58:45 EDT 2002 | davef
Kevin: What was the thinking behind your using a flux that required cleaning �on a post wash assemble for a power switch�? How do you keep the remaining corrosive flux residues from causing trouble [ie, corrosion, CAF, etc]?
Electronics Forum | Wed Aug 14 10:06:20 EDT 2002 | ksfacinelli
This occurred when material was improperly utilized. We placed a corrective action to eliminate the potential and have not had a reoccurrence. My point was that an improperly cleaned product can create shorting issues when utilizing water soluable
Electronics Forum | Tue Aug 13 20:54:48 EDT 2002 | davef
The major profiler companies [ie, KIC, ECD, etc] give away FREE Excel spread sheets that list everyone's oven and paste and allow you to input board characteristics and then it suggests a profile. Go get one.
Electronics Forum | Wed Aug 14 10:42:36 EDT 2002 | soupatech
I thank you, my company thanks you, my boards thank you and my kids thank you (they will still get to eat if I get this right)
Electronics Forum | Tue Aug 13 16:59:17 EDT 2002 | stefwitt
have you tried this one? www.smtnet.com/career_center/dsp_view_job.cfm?listing_id=1591 good luck!
Electronics Forum | Thu Aug 15 08:31:41 EDT 2002 | cnoonan
Thanks for your input, but most of those jobs are a month or two old. I need to know what jobs are needed today, or tomorrow!
Electronics Forum | Thu Jan 09 07:39:27 EST 2003 | Susan
I need a manufacturing/process engineer with surface mount assembly exp in advanced fiber optic networking systems for video, audio and data transmission. If this is you please contact me right away. The position is on the east coast. Susan
Nordson Electronics Solutions makes reliable electronics an everyday reality. Our ASYMTEK, MARCH, and SELECT brands deliver precision fluid dispensing, conformal coating, plasma treatment and selective soldering equipment.
2747 Loker Ave West
Carlsbad, USA
Phone: 18002796835
.gif)
