Electronics Forum | Mon Sep 27 19:45:25 EDT 2021 | jdengler
Are the zone fans all working? I have had some odd temperatures when a fan starts to go out.
Electronics Forum | Tue Sep 28 06:16:34 EDT 2021 | bukas
sometimes SSR can stay in ON state. load cooldown and check if SSRs ever go OFF.
Electronics Forum | Tue Sep 28 08:52:13 EDT 2021 | majdi4
I agree with jdengler .. Check the zone fans if their working good ! It may be the root cause of this problem .
Electronics Forum | Tue Sep 28 11:58:09 EDT 2021 | stephendo
Do you mean reflow profiles are showing 20F above set points or is the oven display is showing 20F above set points?
Electronics Forum | Tue Apr 06 11:17:01 EDT 2004 | ccl
hi, i encounter gold surface contam issue on wire bonding ring after prebake at 150 C for 3 hrs, tis cause wire bonding non stick issue. the contam seem begin at the solder mask area toward center of the bonding ring, but is not consistance.
Electronics Forum | Tue Apr 06 17:01:24 EDT 2004 | davef
It doesn't make sense that contamination would form on your gold pads after prebake of 150C for 3 hrs. The contamination must have been there prior to the bake. Your description makes us think of solder mask bleed. Tell us about: * Solder mask * S
Electronics Forum | Mon Apr 09 09:39:40 EDT 2018 | justconmac
Having an issue with tracking for the Vitronics Soltec Delta 3. Wave will not give error on "expected PCB at exit" but will still show 1+ pcb's in the wave when the machine is empty. This is causing solder pump to idle unnecessarily. Outfeed sensor i
Electronics Forum | Wed Apr 07 10:10:00 EDT 2004 | ccl
thanks Dave, solder mask use is AUS 5 from Taiyo ink, solderability of the contam area is still pass the min spec. gold thickness is ~ 1 um and Ni layer is ~10um. can solder mask bleed cause contam? forget to tell the product is full body gold (FBG)
Electronics Forum | Fri Mar 27 14:12:10 EDT 2009 | rgduval
Check with your paste manufacturer for a recommended baseling. The paste manufacturers generally have a database by oven that gives optimal performance for their paste. It's only a baseline, and does need to be adjusted based on the thermal foot pr
Electronics Forum | Wed Jul 18 21:58:38 EDT 2018 | ir11
Hi There... Sorry to post another query here but I have an existing line for pick & place machine using FUJI NXT II M6 Generation 1. We would like to add NXT modules but then the available modules that we have now is NXT III Generation 3. Is it pos
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