Electronics Forum | Thu Dec 01 21:15:26 EST 2005 | davef
Try: * Caltex [www.bgascope.com] "Hirox" scope * ERSA [www.ersa.de] Ersascope
Electronics Forum | Tue Dec 06 22:48:04 EST 2005 | minimicro
Mike You are my hero. A real world person.
Electronics Forum | Wed Dec 14 06:18:20 EST 2005 | tk380514
right again grant, consider the fact that if you spend enough time inspecting the soldered boards/pre-oven and check the BGA solder paste pads before, and clean the stencil regularly and check solder paste dryness, check oven profiles then after chec
Electronics Forum | Thu Apr 27 10:26:41 EDT 2000 | Ron Costa
Hello all! I am looking for an xray machine that can show me an open BGA solder joint. Does anybody have any experience with different type machines? I have used Nicolet model NXR 1400i.It's good at showing shorts but it cannot show me an open. Any
Electronics Forum | Wed Mar 14 14:03:19 EST 2001 | mzaboogie
Hello, I have been told to look for open BGA connections, the open ball would appear larger than the others due to the fact that it has not columnized. I have also been told that it will look smaller due to the fact that it has not collapsed. Could
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 | Tue Jul 07 03:34:06 EDT 1998 | Martin Kelly
Hi just to let you know, in case you don't, but an x-ray machine is needed too check the solder balls, once they've been placed. See you later, | | I am very interesting of getting information about the criteria inspection of BGA. Example, what are
Electronics Forum | Tue Dec 06 15:04:50 EST 2005 | solderiron
Thats because Glenbrook Reps both. The Ersascope was the original and still is the best bang for the buck. How do you know if you have flux residue under the bga without seeing it. Show me an xray system that can see flux residue? Again, this is a PR
Electronics Forum | Wed Dec 14 06:23:47 EST 2005 | tk380514
I almost forgot to ask You: what is the purpose of the BGA inspection microscope? Perhaps we tell You stories that You alraedy know about... the ersascope we have is there to look funny and prove to the customer that we can check if we want to
Electronics Forum | Thu Apr 27 15:26:02 EDT 2000 | D Scott
Ron, I too use a Nicolet NXR 1400i. By using the rotation fixture and offsetting the board, a good BGA solder joint will appear elongated. If you rotate the board away from you the wetted joint will appear to lighten and become flat (looking at the
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