Electronics Forum | Thu Jul 07 18:10:20 EDT 2005 | russ
You should use Xray to qualify your process. Frequency of Xray inspection after that will need to be determined by your process capability. If you use paste inspection process, once you verify that your profile and placement are good you in theory
Electronics Forum | Fri Oct 06 08:22:05 EDT 2000 | jackofalltrades
BGA's are not difficult, but should be inspected no matter how careful you are. Here we have been doing bga's forever and x-ray 100%. Without an x-ray there is no good way to ensure the BGA is placed properly, without bridging or insufficients. If yo
Electronics Forum | Mon Jun 18 16:48:00 EDT 2001 | Gil Zweig
We have found a significant number of PBGA problems associated with physical deformation of the package. Deformations such as dishing (potatoe chipping) and delamination under the die (popcorning). These can be detected by x-ray by the variation patt
Electronics Forum | Thu Jan 06 17:50:08 EST 2000 | Jeff Ferry
Greg, Check out Circuit Technology Center in Haverhill MA. We have 3 Air Vac BGA Rework systems and 1 Nicolet X-ray system. We offer either\or BGA rework services and X-Ray services. You can get a little more info at http://www.circuitnet.com/cat
Electronics Forum | Wed Jul 22 12:34:43 EDT 1998 | Frank Silva
| | We need BGA rework station and x-ray inspector recently in urget case, Do you have any information to rework FPGA package and inspect them during processing. | Thx for any information | Best Regards, | Stoney Tsai Stoney, Check out Nicolet Imagi
Electronics Forum | Wed Nov 14 10:23:51 EST 2001 | gzweig
This question and other issues on x-ray inspection of BGAs are addressed in the free PDF. publication available by e-mail entitled: Rapid and Effective X-ray Inspection of BGAs using "Signature Identification" Just place "send publication" in subj
Electronics Forum | Mon Nov 19 10:18:03 EST 2001 | gzweig
There is no question but that x-radiation is an ionizing radiation and can effect components sensitive to ionization . The higher the power level of the x-ray source, the higher the amount of ionization taking place. At low levels of x-ray we have ne
Electronics Forum | Mon Apr 07 07:08:04 EDT 2003 | cyber_wolf
Does anyone have an example of an electronics X-ray quality procedure? We are implementing a new X-ray machine and it is my responsibility to compose the quality procedure. I know that each state has it own set of regulations, I am just curious to se
Electronics Forum | Wed May 18 03:13:28 EDT 2005 | grantp
Hi, We place BGA, but until now have not used X-Ray inspection, and it would be a good thing to have. Can anyone recommend a low cost X-Ray that would get us by. We don't need something fast, but it should be able to show us clearly voids etc. Reg
Electronics Forum | Fri Dec 02 07:53:25 EST 2005 | solderiron
Get a demonstration, on most packages these systems can see down a row. You don't see solder flux residue with X-Ray. You don't see the intermettalic bond with x-ray. They are some what expensive but together with X-ray you have an excellent quality
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