Electronics Forum: done (Page 80 of 294)

defects in pcb manufacturing

Electronics Forum | Tue Nov 03 06:23:12 EST 2009 | josh_brubaker

Has anyone ever done a tape test to see if the solder resist pulls away from the PCB? Is this an acceptable method for testing solder resist acceptability? This is an issue I am experiencing with our PCBs. I am receiving boards with excess solder o

Matrix Tray Setup

Electronics Forum | Wed Dec 30 15:05:18 EST 2009 | bobpan

Craig: Make sure you have done a table changeover and then when you go into teach tabletop there should be a tab at the top that says matrix trays. After selecting that ...choose the tray you want below and then right click on a part on the tray in t

Assembleon / Philips support. Ask your question.

Electronics Forum | Fri Feb 26 16:54:45 EST 2010 | davemacnemo

I also am having difficulty generating appropriate text input for our recently acquired Topaz. Previous owner used a big (expensive) piece of Enterprise s/w to get the job done. Where can I get CAD2CAD. Looking on the web yields a lot of viewers and

detecting BGA micro cracks

Electronics Forum | Mon Feb 08 09:03:49 EST 2010 | woodsmt

Looking for methods for detecting BGA microcracks without cross sectioning. Currently evaluating a new package and will be putting together a thermal stress eval. We would like to perform intermediate inspections for cracks. Once all cycles are don

detecting BGA micro cracks

Electronics Forum | Thu Feb 11 08:14:41 EST 2010 | scottp

It's OK to have the daisychain done in the interposer rather than the die (and a lot cheaper) but in thermal cycling the parts MUST have representative die. That's where a large part of the CTE mismatch comes from to cause fatigue damage. Thermal c

Thru-hole placements

Electronics Forum | Thu Feb 11 17:15:08 EST 2010 | davef

Certainly, machinery provides better quality for repetitive tasks than manual methods. In looking to improve the quality of manual methods, there are things that can be done. Some of those things have been discussed in earlier threads here on SMTne

Mixing No-clean and water soluble processes

Electronics Forum | Thu Feb 25 15:24:58 EST 2010 | jdumont

We use the OM-5100 and wash it with relatively good results. Just dont let it sit longer than a few days before wash. We've used Zestron AC200 and A-250 in a batch cleaner set to 140 wash temp for 8-10 min @ the recommended concentrations. We have h

Implementing AOI

Electronics Forum | Thu Feb 25 11:37:34 EST 2010 | smt_guy

hi guys, we just got our AOI machines and seems like everybody's excited to get them up and running. but... i want to have proper implementation of our AOI. like validation etc.. can someone share how they implemented AOI in their manufacturing pr

Galvanic Gold

Electronics Forum | Fri Feb 26 14:09:21 EST 2010 | davef

AVFM If I can do a little to unfrazzlament you on a Friday afternoon, I'll do it gladly!!! Tell your customer that you'd be happy to supply them galvanic gold. And that you're one of the few that are smart enough to get it done. [It's plain ol' ev

production line automation

Electronics Forum | Fri Jul 09 19:27:10 EDT 2010 | rway

I am looking at using a bridge handler with our ICT machine. Does anyone have any experience with this equipment or have done something similar on your own? I need advice on what works best and companies and/or contacts that can provide the best af


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