Electronics Forum: pass (Page 22 of 142)

Solder voids in PTH

Electronics Forum | Wed Feb 20 09:05:38 EST 2008 | tonyamenson

We had a similar problem with lead-free through-hole components. We baked those baords to remove the residual moisture and everything went to 100% pass - defect was gone. Couldnt hurt to try a sample run while you decide if the PCB holes need to be

PCB pad contamination

Electronics Forum | Thu Aug 23 09:52:38 EDT 2007 | d0min0

Hi, in past we had an issue with ENIG surface, black was Ni that get pass the Au - but it was discovered after reflow (SnPb) and the IC was losing contact with Cu tracks...at customers application : Reason was as I remember too thin Au sufrace... w

0201 on CP43

Electronics Forum | Tue Mar 17 17:07:07 EDT 2009 | keithej2

Engineering tried it with special made .4 nozzles (which we could never get to pass a center test reliably) but the results were less than spectacular. The reject and bad placement rates were high so that idea was abandoned.

Safety Glasses

Electronics Forum | Fri Apr 11 15:27:59 EDT 2008 | realchunks

Sure thing Steven. I understand you're a glazzed, chocolate donut kind of guy. Should be easy to pass your audit. But bring your glasses - not for our facility (glasses free thank you) but for the night life!

Dek-265 no power

Electronics Forum | Wed Apr 30 07:50:34 EDT 2008 | realchunks

I've done it in the past. By-pass it and you'll be back in production. Make sure your power is off.

Dek-265 no power

Electronics Forum | Wed Apr 30 11:41:55 EDT 2008 | gemengr

It back running now, after shut it off over night, it power back up,look like the heat sensor under of 4 resistors is start getting bad.But i'll by pass it, if it happen again. Thank you for your in put.

recently purchased MPM Ap Hie - startup trouble

Electronics Forum | Thu May 01 07:33:19 EDT 2008 | realchunks

Jim, You need to repair or by-pass the cover interlock. The machine thinks it's open and will not procede any further. They all do it, even the new models. Once you get past this warning - you will get the the RESET window - garanteed.

AOI false fail PPM

Electronics Forum | Thu Jul 31 09:01:32 EDT 2008 | stepheniii

Aren't you worried about false passes? With that low of false fails, you must be only inspecting easy stuff like presence and not checking for correct parts.

Leaded Wave Solder Set Up

Electronics Forum | Thu Sep 25 04:57:51 EDT 2008 | fnorradd

Hi All, I was wondering if any of you have any ideas on what is the optimum angle for the conveyor to pass over the waves on a leaded wave machine ? Any input would be greatly appriciated. Regards Darron

Solder Paste Height Measurement System

Electronics Forum | Tue Oct 21 16:24:34 EDT 2008 | mac5

We have had good luck with the Omron CKD VP3000L. I won't pass every good board, but it will fail every bad board.

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