Electronics Forum | Wed Jan 24 21:29:43 EST 2007 | davef
Board fabricators commonly use Barco AOI to inspect film. The AccuMatch compares pixel-to-pixel of the Gerber data to the image seen by the AOI camera. It's slower than design rule checking, but has definite advantages [like lower falsing]. Unfortu
Electronics Forum | Thu Aug 23 21:00:10 EDT 2001 | davef
We do the same quadrent every four boards in placement inspection on a Orbotech.
Electronics Forum | Fri Aug 03 09:21:08 EDT 2001 | Ian T
hi my company is planing to purchase an aoi system to be used inline. is there anyone out there doing this, if so do you use all the machine options (pattern character recognition, bad board marks, correct part polarity...) or do you dumb it down(pa
Electronics Forum | Fri Aug 03 15:53:17 EDT 2001 | nwyatt
We have purchased 2 and will be implementing them in our line shortly. We have one for component inspection and one for paste inspection. We are planning on starting with it "dummed down" and then adding more variables and tightening our criteria a
Electronics Forum | Wed Aug 22 12:30:34 EDT 2001 | slthomas
Now that's an approach I've never thought of, inspecting a different portion of each board (I'm assuming that you program a few different patterns and run them sequencially, or something like that). I know our stencil printers don't provide that opti
Electronics Forum | Wed Aug 22 12:39:58 EDT 2001 | andyy
From the manufacturer's perspective, we aim to be able to fully inspect all components within the beat rate of the line and generally do. I'm not aware of any competitive machines that do the random sampling that is suggested above, however it is do
Electronics Forum | Thu Nov 01 02:45:47 EDT 2007 | laplooi
Whe have the Mirtec about 2 years now, the question is, that when you have 100 components to check he give's 20 to 30 failures that no failures are. are there people they have the same problem?
Electronics Forum | Thu Nov 01 09:23:27 EDT 2007 | pjc
If you are in the Americas, I'd contact tech support and they should square you away on that high false call rate problem. They have great WebEx training and troubleshooting. www.mirtecusa.com
Electronics Forum | Fri Aug 03 17:00:57 EDT 2001 | mparker
Start with a definition of what you expect the AOI to achieve at each station. Will your in-line machine be post print? Place (pre-reflow) or post reflow? Rather than buy one very expensive machine to put at the end of the line, maybe a couple of
Electronics Forum | Tue Nov 06 06:23:31 EST 2007 | clampron
Good Morning Roger, The Mirtec's can be adjusted to lower your false call rate. This can be done by reducing the matching percentage for each componnent but the result of this action is that the machine becomes less selective. If you lower them too
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