Electronics Forum: ground and planes and icicles (Page 1 of 1)

0201 and uBGA

Electronics Forum | Wed Sep 25 13:38:35 EDT 2002 | finepitch

Yannick, If we leave the 201 issue aside; have you checked where those BGA pads are connected to? Could those be power/ground balls connected to large (difficult to heat up) planes by any chance? Erhan

Printer and Reflow Oven Recommendations

Electronics Forum | Thu May 21 08:29:05 EDT 2015 | cyber_wolf

DeanM, How do you verify you have great results with the AutoSet feature if you do not check your profiles ? How does the AutoSet take into account large ground planes on certain areas of the board ? just curious

Decoupling caps and PCB layout

Electronics Forum | Wed Aug 10 02:38:36 EDT 2016 | zxcvb

I guess I've been somewhat ignorant when it comes to the finer details of pcb layout. Lately I've read a couple of books that try their best to lead me on the straight and narrow. Here is a couple of examples of a recent board of mine, and I have hig

Printer and Reflow Oven Recommendations

Electronics Forum | Fri May 22 12:42:43 EDT 2015 | deanm

Sr. Tech, you are right in that there is no verification of the profile. We are a Class 3 high mix OEM. We have visual inspection after SMT. We have not seen problems with wetting, grainy solder, cold solder, charred boards, etc. that would indicate

First PCB and it didn't work

Electronics Forum | Mon Jan 06 20:53:23 EST 2020 | mikeyg12

Hello everyone! I have had this idea in my head to DIY a desktop KVM (without the V so I guess just a KM) board that I can solder USB A headers to with a DPDT switch. I designed the board and when I thought it was all good to go I proudly sent it of

Re: WAVE SOLDERING and Gluing 0603 packages

Electronics Forum | Mon Apr 26 09:46:05 EDT 1999 | C.K.

Chrys: I have checked all the basic elements of Wave solder joint formation: fluxing, preheating, and lastly soldering. For checking the fluxer, i used a product from ECD that's very similar to what you desribed called the flux-o-meter. It did a

Bar Coding - auto print and apply solutions

Electronics Forum | Tue Mar 20 15:59:15 EDT 2007 | blnorman

We use preprinted labels and laser coding. For PCB we laser mark with CO2 (NdYAG for the aluminum heat spreaders). We either have an epoxy legend to burn out or we burn the solder mask to expose the copper ground plane underneath. Laser is a much

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