Although Photondynamics isn't selling AOI equipment anymore, Electronics
News (http://www.e-insite.net/electronicnews/) had an article "CRTech
Emerges from the Ashes as YESTech". YESTech introduced its new AOI
inspection equipment at Apex.
-----Original Message-----
From: Taylor, Royce [SMTP:[log in to unmask]]
Sent: Wednesday, April 16, 2003 12:46 PM
To: [log in to unmask]
Subject: Re: [TN] AOI
I have looked at the following:
Photon Dynamics RTI-7550 (CR Technology machine)
VI Technology Vi-3000
Orbotech VT-9000
Teradyne 7300
Qualectron ESV-303 (benchtop)
What do you want to look at?
Placement (X,Y,theta)?
Polarity?
Solder Quantity?
Solder Quality (shorts/opens/insufficient)?
Text (OCR)?
You can start by eliminating the RTI-7550, Photon Dynamics is not selling
AOI machines anymore.
If you want inline, eliminate the Benchtop machines.
Do you place lots of SOJ's and PLCC's and want to verify solder joints,
Eliminate the machines with only one downward looking camera.
I liked the Orbotech and the Teradyne. they are both multi camera/multi
light systems. I thought the repair station hardware/software was/is better
on the Orbotech.
The programming complexity is about the same for the Orbotech and Teradyne,
but once you get your libraries built, programming is easy (same with all
machines)
I liked the software on the Vi Technology machine, it was easy to use.
One thing I find is more of a pain that it can be worth is performing text
recognition, silkscreen can vary part to part, vendor to vendor, I am a CM
and found I got more false calls than it I wanted since I cannot always
control what parts I get. I would rather have barcode validation on my
placement machine feeder setups.
I'm sure there are others that I did not look at that are good too. feel
free to email me offline if you have other questions.
Royce
***********************************************************************
Royce Taylor
Automation Engineering/Production
Suntron Corporation NEO
104 Glenn Street
Lawrence, MA 01843
(978) 747-2061 voice
(978) 747-2010 fax
[log in to unmask]
www.suntroncorp.com
-----Original Message-----
From: Robert J. Vega [mailto:[log in to unmask]]
Sent: Wednesday, April 16, 2003 11:16 AM
To: [log in to unmask]
Subject: [TN] AOI
Morning Technet,
We're in the process of evaluating different AOI machines to put after our
SMT reflow ovens. I've been trying to read up on AOI, and have seen
differences in machines such as 2D imaging vs. 3D imaging, differences in
lighting sources (xenon, lcd, etc.), vector imaging vs. grey scale
correlation, etc. I wanted to query the Technet crowd to see what kind of
knowledge/experience you all have on AOI and maybe even on specific
machines.
Thanks,
Robert Vega
Rockwell Collins
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