Electronics Forum | Mon Sep 09 21:42:12 EDT 2002 | rwilliams
I have been involved with the reflow process for many years. However, my most recent position now includes the use of Nitrogen. In studying the reflow process and using Nitrogen, it seems to me that it would only make sense to be measuring the O2 lev
Electronics Forum | Sat Nov 05 20:23:11 EDT 2016 | sarason
Close but not to close, would have to be the spec. Or depends on your separating technology. Prerouted boards on a panel, you could go right up to the edge. V-grove you will need more distance, maybe 2mm's or more. The distance from the panel edge to
Electronics Forum | Thu Nov 20 03:58:39 EST 2014 | hhat
To get the best performance of electronic circuits, components and circuit board supports circuit components and devices in electronic products. Even if the circuit principle diagram design is correct, the printed circuit board is designed improperly
Electronics Forum | Thu Nov 20 04:02:02 EST 2014 | hhat
PCB layout of the circuit components, to meet the requirements of anti interference design: 1* arranged for each functional circuit unit in accordance with the circuit flow position, the layout of the signal for circulation, and make the signal as m
Electronics Forum | Tue Oct 18 07:02:47 EDT 2022 | poly
The product editor complains if I have a part that overhangs the edge of the board. Any hints on how to fix this? Set the "board" size bigger than the actual board and the use an offset to make it in the right place? Or is there a better way to say t
Electronics Forum | Wed Dec 07 07:20:02 EST 2005 | davef
We need more information about the situation. For instance: * Describe the green residue * Talk about the distribution of the problem, including a single lot or from various lots and over components and component types on the board * Tell us about t
Electronics Forum | Tue Mar 07 14:03:45 EST 2006 | slthomas
The cheapest method I've found to measure anything in that size range is a reticle for a stereo microscope. I don't remember the resolution but it was 2 or 5 mil, I think. It's not rocket science but it's a nice tool for small scale measurements tha
Electronics Forum | Tue Mar 07 15:11:43 EST 2006 | davef
We wouldn't know a Gemini from a bread box, nor we are real clear on what you seek. So, we'll just rattle on for a while. Here's how we monitor the quality of our dispensing process: * We dispense the same nonfunctional pattern of dots on every boa
Electronics Forum | Wed Mar 04 21:24:04 EST 1998 | Ron Costa
Hello everyone! Does any know anything about bare board size variations? Is there a spec. or tolerance? I'm running small lots of boards and during the screen printing process I find that I cannot paste each board perfectly.I've tried other screen pr
Electronics Forum | Thu Mar 05 23:52:26 EST 1998 | Ron Costa
| Hi Ron, | Your question really opens up a "Pandora's box", but when you say you're not able to print perfectly, what is it exactly that you mean? Is the print lacking volume? Is it mis-registered? Are you bridging? Also, what printers have you used
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