Electronics Forum | Mon Aug 20 09:33:25 EDT 2007 | stepheniii
Your lighting would have to be pretty bad for it to be an issue. My gut instinct tells me you have bigger systemic issues. Operators will either be your best friend or your worst enemy. What percentage of boards have contamination? You might have t
Electronics Forum | Fri Nov 26 09:13:10 EST 1999 | Wolfgang Busko
Jeff, Ted, Stefano What Stefano is saying sounds reasonable. With entry-level systems its always a struggle to get sufficient results. The operators golden hand is needed. Better controlled advanced dispensing systems should do the work, unluckily I
Electronics Forum | Thu Apr 05 08:02:33 EDT 2001 | brownsj
I used to work for a company called Intelligent Reasoning Systems Incorporated. http://www.irsinc.com based in Austin Texas. They manufactured two different AOI systems depending on the component packages you wanted to inspect. The good thing about t
Electronics Forum | Wed May 22 22:59:04 EDT 2002 | alex_kirichenko
Hello!!! Just to say, I've never even heard about placing parts on double-sided tape for inspection... We always build one board placing parts on paste/glue and inspect it befor reflow. With suppliers specs of 6hours at least, I don't see any prob
Electronics Forum | Fri Feb 10 12:09:53 EST 2006 | cyber_wolf
Russ, We use a unit called a Datapaq surveyor to monitor our ovens. Its basically a unit that a data logger rides through the oven in. It has 3 thermal couples across the top and 3 across the bottom. It takes measurements the full width of the proces
Electronics Forum | Fri Nov 09 08:45:31 EST 2007 | philkaz
I am in the R&D department at KIC. We have been making thermal profiling equipment for 20+ years. A standard circuit board is made from FR4 fiberglass. A typical solder reflow profile, whether leaded or unleaded, takes the board above the "glass t
Electronics Forum | Tue Dec 15 12:23:47 EST 2009 | swag
I have moved golden boards from chains to mesh as I got tired of fishing t-couples under the chain rail. I saw a 3-5 deg. decrease on top-side parts peak temp. (all t-couples were on top side). I had to bump zones 6 and 7 a few degrees to make up f
Electronics Forum | Tue Mar 23 10:46:48 EDT 2010 | oeidave
Hello Sibbe, Thank you for posting your questions. There are a few approaches to AOI with the majority being program driven. There are a couple of systems that are simply comparative in that you use the system to compare a golden board to others th
Electronics Forum | Wed Oct 27 11:38:44 EDT 2004 | marc
This has always been a big debate on what is better. Few things to consider before getting into number of zones. What is the throughput and cooling requirements? Throughput is a direct relation to length of heating zone. Longer heating length
Electronics Forum | Mon Feb 13 14:34:31 EST 2006 | pjc
The best way to compare is ask each machine company to bring their machine in for a demo. Since they are bench-top machines, they are easy to transport. Pick one of your boards for them to run. Don't send any board data ahead of time. When they come
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