Electronics Forum | Tue Feb 19 13:37:48 EST 2002 | PeteC
When evaluating AOI you must first define what type of inspections you want the system to perform, pre-solder or post-solder. What separates many mfgs. of these systems is how effective they are at finding post solder defects. This is where camera re
Electronics Forum | Thu Dec 01 19:06:37 EST 2005 | IRAS
Hi, We are looking for a BGA inspection microscope. We had looked at one with a prism method trying to found a vendor for a fiber optic scope. I'm not sure which one is best. Any recommendation and suggestion would be appreciated. Thanks. IRAS
Electronics Forum | Sat Dec 03 16:26:40 EST 2005 | grantp
Hi, I have seen demos of these scopes, and don't think they really show you very much. If you profile your board right, and drill up to solder a thermocouple onto the inner balls of the device so you really know your getting a good profile, I don't
Electronics Forum | Tue Dec 06 15:27:36 EST 2005 | Mike
Steve, You are correct in that X-Ray image of a BGA will not show flux residue. So what? If you are using no clean flux then I would think it doesn't matter if there is some flux residue. Sure if you are reworking a BGA and the operator dumps t
Electronics Forum | Fri Dec 02 18:37:46 EST 2005 | Ola
What is the quality worth to You? How much is "to much" for You to spend on a good quality ckeck? How much benefit can You get in return, If You in the first place get the processes straight? These are the main questions that You have to answer Yours
Electronics Forum | Thu Jun 12 12:30:44 EDT 2003 | caldon
Edmunds Optics has them http://www.edmundoptics.com/IOD/DisplayProduct.cfm?productid=2038 the link above is for a Prism. Works well. Continued search on the Edmunds site will get you a mirror if need be. Cal Communications Test Design, Inc www.CTD
Electronics Forum | Thu Apr 20 13:02:44 EDT 2000 | Robert Patrick
Hi.... I read your message and can empathize. I just joined PDR Infrared Systems. PDR offers an Infrared System for CSP/UBGA with X-Ray or Optical Inspection Packages. You may want to consider IR technology for UBGA before taking the plunge. Hop
Electronics Forum | Thu Apr 09 15:44:36 EDT 1998 | Earl Moon
| Is there a good way to inspect BGA | balls ? Is there an inspection piece | of equiip.? It depends on what you intend inspecting. For dimensional and tolerance measurements, I have used optical comparators. For solder ball voiding, X-Ray is used.
Electronics Forum | Mon Jun 18 19:22:38 EDT 2001 | Gil Zweig
Dave; See my answer to "Alternate to X-ray" The combination of endoscope optical inspection with x-ray inspection provides the most effective means of BGA inspection. Transmission x-ray provides a very rapid means of qualifying then process control o
Electronics Forum | Mon Jun 18 18:42:39 EDT 2001 | davef
Optical inspection devices for looking at the balls of BGA are becoming more prevalent. How do these devices and conventional xray fit together as complemtary tools in the day-to-day product environment?
Our Company handle AOI (Auto Optical Inspection) and SPI (Solder Paste Inspection) Machines.
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