Electronics Forum: viewed (Page 3178 of 7890)

How important NSMD pads are for the QFN and similar packages?

Electronics Forum | Wed Jul 30 11:55:09 EDT 2014 | matusov

I would consider to have mask in between the leads and have it open a little bit more than the copper Thank you. That is exactly what the NSMD pad is!

How important NSMD pads are for the QFN and similar packages?

Electronics Forum | Wed Jul 30 12:25:38 EDT 2014 | emeto

Yes, but I have seen designs where the whole row of leads has no mask(which is also a NSMD)

How important NSMD pads are for the QFN and similar packages?

Electronics Forum | Wed Aug 27 15:50:11 EDT 2014 | smtdoug

If at all possible, you definately want solder mask defined pads. Without it, you will struggle with solder bridging. This is especially important if you have a larger size board.

Tool for breaking STRIP headers into 2, 3 , 4 pin etc

Electronics Forum | Wed Jul 30 13:02:56 EDT 2014 | proy

Through hole headers in long strips Anybody know of a tool/manual punch and separate these instead of sidecutters very slow....

BGA rework equipment - suggestions?

Electronics Forum | Fri Aug 08 15:48:58 EDT 2014 | ppcbs

See this video on how to evaluate a BGA Rework Station before you purchase. Dennis has been doing actual hands on BGA Rework for over 20 years. http://youtu.be/MlvHLAbJ-o8

BGA rework equipment - suggestions?

Electronics Forum | Thu Feb 12 17:54:26 EST 2015 | xboxhaxorz

Considering his budget, i dont think the PCB 112 will meet his needs unless he wins the lottery

FUJI CP4-3 Nozzle Change Alarm

Electronics Forum | Thu Jul 31 13:52:33 EDT 2014 | jimmyboz

I do not recognize that part. Initially, lets disregard that part and try to troubleshoot. DO NOT loosen any bolts associated with the Nozzle change mechanism, else your day, will get worse.

FUJI CP4-3 Nozzle Change Alarm

Electronics Forum | Fri Aug 01 06:54:22 EDT 2014 | tegel

Hi, I don't have any solution to the problem, but the component is an EMI-filter and not part of the machine. // Tegel

FUJI CP4-3 Nozzle Change Alarm

Electronics Forum | Fri Aug 01 09:21:28 EDT 2014 | jimmyboz

Does it error during nozzle center check, if so, manually switch all holders to small, try center again. It should do about 8 small nozzle centers before error, if so this helps rule out the 10th station, if not check the 10th.

FUJI CP4-3 Nozzle Change Alarm

Electronics Forum | Fri Aug 01 11:57:56 EDT 2014 | kurtiss

It turns out it was a misaligned fiber sensor on station 12?, the after rotation nozzle verification.


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