Electronics Forum | Wed Jun 07 17:58:27 EDT 2023 | linux
are the ics jumping in the tray. if not seated correctly the lead lift at pickup. mostly lift lead causing by handling.
Electronics Forum | Tue Apr 01 19:45:48 EST 2003 | mk
Try checking into ssd www.sipad.com No clean process for the whole board. Contamination from paste is removed before you get the boards. http://www.sipad.com/Motorola/MotorolaFlipChip.htm mkehoe@sipad.net
Electronics Forum | Wed Oct 01 14:21:51 EDT 2008 | omid_juve
we should assemble 24000 of this board so we should find another solution and we get three sample of this part and all of them has this problem , and now we dont have time to wait for new part to come.
Electronics Forum | Mon Mar 31 15:13:40 EDT 2014 | rangarajd
We are trying to setup a closed loop humidity control system that will maintain the RH at about 45% on our 24,000 Sq ft factory. Can we just these systems spray city water or does it have to be DI or treated water? Thanks!
Electronics Forum | Fri May 05 03:20:06 EDT 2023 | abhishek10
Yes everything is Yes,IT was passed on tester as well . i Doubt some intermenternt contact was available at the time but still it got passed.
Electronics Forum | Fri May 05 07:26:45 EDT 2023 | tommy_magyar
All you can do is to revise the testing procedures and SMT checks (pick and place vision and AOI checks) with the same fault generated in-house. This is all you can do from my point of view.
Electronics Forum | Mon Jul 24 06:22:54 EDT 2023 | abhishek10
Thank you so much for the explaination.Is their any method to prevent lead lift during handling.some kaizen idea?
Electronics Forum | Thu May 04 04:29:05 EDT 2023 | abhishek10
we have observed a Field claim in ECU where root cause is Lead lift found in one of the IC. What could be the possible reason for lead lift and how to avoid the same in future. QFP is the Type 1.Checked the Part Library(3-D Check Refernece no.-23
Electronics Forum | Wed Sep 08 11:03:02 EDT 2004 | dj_jago
Peter, The Siemens placement equipment has a simple coding structure: HS50 - 50,000 CPH S20 - 20,000 CPH S23 - 23,000 CPH S27 - 27,000 CPH Well... you get the idea. I have no idea about the speed of the 'F' machines. We get around 70-80% of this
Electronics Forum | Thu May 04 13:16:07 EDT 2023 | tommy_magyar
If I would need to investigate this claim, I would ask the following questions: - was traceability used when this product was manufactured? - was testing mandatory when this specific product was built? - is the test covering the QFP we are talking ab
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