Electronics Forum | Tue Sep 14 05:59:16 EDT 1999 | Edmund Loh
Can anyone out there pls enlighten me on how to solve chip tombstone defects. I am running a board with a lot of 0603 chip. i had fine the profile and the alignment, but it still happen randomly on the board itself. Is there any other way to solve t
Electronics Forum | Fri Aug 16 06:49:07 EDT 2002 | zolasteven
Hi, Thanks for your informative answer. We actually have measuring system and knows what are the defects and we don't really know the actual causes. We do fire-fight and some of the solutions does not really solve the root cause. Thanks again
Electronics Forum | Thu Aug 15 13:36:44 EDT 2002 | kenbliss
I would take the following method to start Which defect is taking the most labor time to fix. which defect is causing a bottleneck to your production. Fix the one causing the bottleneck first as it will improve your plant output and profits Then
Electronics Forum | Fri Nov 03 11:08:29 EST 2000 | Phil
Hi there!!! Actually, all mentioned ideas were significantly related to the cause of tombstoning. But, based on what DL said, you have to check the placement of your 0402. Coz, based on experience, i evaluated the different variables for the root
Electronics Forum | Thu Aug 15 15:44:46 EDT 2002 | dragonslayr
You can't control what you don't measure. You have provided very little detail other than post reflow costs are high. What defects are attributed to problems experienced prior to reflow? Are these random or recurring defects? You will need to put ea
Electronics Forum | Thu Aug 15 09:06:59 EDT 2002 | davef
Very short list of strategies: * Accept only products are designed to be manufactured and tested. * Assure components are of the proper form and are solderable. * Make sure your processes are capable and in control. * Provide lots of training for you
Electronics Forum | Tue Sep 14 13:27:57 EDT 1999 | Scott S. Snider
| Can anyone out there pls enlighten me on how to solve chip tombstone defects. | I am running a board with a lot of 0603 chip. i had fine the profile and the alignment, but it still happen randomly on the board itself. Is there any other way to sol
Electronics Forum | Tue Sep 14 10:54:37 EDT 1999 | Scott Davies
| Can anyone out there pls enlighten me on how to solve chip tombstone defects. | I am running a board with a lot of 0603 chip. i had fine the profile and the alignment, but it still happen randomly on the board itself. Is there any other way to sol
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