Electronics Forum: pass (Page 97 of 142)

Conformal Coating Issues

Electronics Forum | Wed May 09 03:13:06 EDT 2012 | umar

I had send my coating board to the test lab for adhesion coating test. 3 times send, the result 3times fail. The coating chemical use is Humiseal 1B31. The process is clean the boards at washing process use the Vigon A200 saponifier mix with DI wate

MyData A12 tool tip damage

Electronics Forum | Wed Jun 27 03:43:24 EDT 2012 | allgood

Very interesting - esp that you have removed the temperature variable by being airconditioned. We defeinitely do not get strikes at 74 but do at 80 - but also we dont start the machine when its 80, that is the afternoon tempertaure on a rare hot day

Unsoldered gold pads on unleaded wave solder process

Electronics Forum | Thu Jun 14 15:29:29 EDT 2012 | davef

That you can get good solder flow when hand soldering seems to indicate that the temperature of your solder pot is too low. Still, I'm uneasy that you see gold on the pads after passing the board across the solder pot. Gold is so thin with ENIG. So

vitronics delta wave malfunction errors :pcb expected at exit

Electronics Forum | Fri Sep 14 03:43:16 EDT 2012 | mili

Hello!I have a delta wave with these problems:offtime of lambda wave tracking is too long and when modify offtime setting to a negative value for a fast stop on tracking position of lambda wave, the wave pass on stand-by with a delay of half of leg

error message :pcb expected at exit

Electronics Forum | Fri Sep 14 04:11:16 EDT 2012 | mili

Hello!I have a delta wave with these problems:offtime of lambda wave tracking is too long and when modify offtime setting to a negative value for a fast stop on tracking position of lambda wave, the wave pass on stand-by with a delay of half of leght

Capacitor ~ Electrolytic ~ Tantalum, Marking

Electronics Forum | Fri Oct 19 10:02:34 EDT 2012 | ericrr

First, why is there appears to be no marking on simple capacitors when there is a code for, yet there is markings on resistors? Attached is a interesting table, it came about after I spent hours and hours and hours looking on Internet from a 16 Volt

ICT for a reed switch

Electronics Forum | Tue Feb 05 15:55:54 EST 2013 | rway

http://www.cotorelay.com/images/stories/coto_wp__reliability_ver_003.pdf I believe this was provided mainly for informational purposes; however, you don't need all that. You just need a magnetic field. A simpler approach than what I have already m

Wave solder flow over back plate

Electronics Forum | Fri Feb 22 13:19:54 EST 2013 | caurbach

Our new Soltec Delta 3 has this feature (they call it mainwave pushup) where you can add up to 60 rpm to the pump after the leading edge passes over the wave. Unfortunately, our old Delta Wave doesn't have this feature. Ideally we'd like to set it

SMT of Flex circuits

Electronics Forum | Wed Mar 20 13:18:26 EDT 2013 | kmots15

Is printing your concern or placement. I would say both: Printing: At 5 feet and on a flex you better have a really nice fixture to keep everything in check. You'll probably have to hand screen it unless your going to get a dedicated custom continu

Mydata Hydra tool reference mark error

Electronics Forum | Mon May 06 19:21:39 EDT 2013 | amelby

We had that problem on our M12. There were a few > components that had gotten dropped into the > camera area as the hydra head past over it. Our > MY12 has a knob towards the front of the machine > in direct line with the camera. Pulling this


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