Electronics Forum: sep and 7

Manncorp Pick and Place

Electronics Forum | Tue Aug 05 03:48:56 EDT 2014 | spoiltforchoice

If you are considering MyData (a fine choice) I would also consider Europlacer. They are in many ways, machines designed for similar markets with slightly different approaches and advantages. I would suggest much of your experience with Manncorp woul

Possibility of a cheaper pick and place machine design?

Electronics Forum | Thu Jul 10 20:58:21 EDT 2014 | andrespena

Smaller companies many want to rent a machine, but may not necessarily use it 24/7, and a smaller machine may require less expertise to use. If many small machine can work fast enough, it can operate for less time and reduce operating costs. (I'm mo

Problem with rigid-flex PCB pressing (PVC and PET damage)

Electronics Forum | Sun Dec 21 04:27:44 EST 2014 | leadthree

Are you really sure that related to my issue? Anyway, in the meantime I experimented a bit with a PVC supplier and now I have a soft PVC that can handle my 185°C (365°F) for 90 Minutes. It becomes a little bit yellow - the previous got cat-black.

Possibility of a cheaper pick and place machine design?

Electronics Forum | Mon Jul 07 00:45:39 EDT 2014 | comatose

If you study how the process is done now, it isn't that different from what you describe. Instead of glue, we use solder paste, and instead of spraying it we screen print it. But not that different. For feeding boards we use conveyors instead of rubb

Possibility of a cheaper pick and place machine design?

Electronics Forum | Wed Sep 10 23:06:36 EDT 2014 | andrespena

Sorry 10 days passed before I replied. This happened and that happened and I completely forgot about this forum. But here's my explanation: 1. How to get parts on the board? This is a very good point, and I totally understand why you believe I hav

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

Electronics Forum | Wed Jul 30 23:40:45 EDT 2014 | matusov

Yes, but I have seen designs where the whole row > of leads has no mask(which is also a NSMD) Apparently I might have to do just that for some parts. We have a few parts with 0.2 mm pads at 0.35 mm pitch. Our PCB shop says that they need at least

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

Electronics Forum | Thu Jul 31 10:14:27 EDT 2014 | matusov

I know that some board houses have better > capability than others. Some can do down to 4mils > mask in between the leads I think. I know that it > also depends on the type of the mask they are > using - for some types you can't go down to the >

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