Industry News | 2012-08-30 20:34:57.0
The SMTA announced the Doctor's Hours program will be held for the third consecutive year at SMTA International, taking place October 14-18, 2012 in Orlando, FL
Used SMT Equipment | Pick and Place/Feeders
Quad Pick & Place Model: QSX-1 Serial Number: 3376 Quad QSX-1 Pick and Place System Features: Dual gantry design provides placement rates up to 7,000 cph takt time Handles board sizes from 3.2" x 3" to 19.3" x 25" In-process QuadAlign touch
Electronics Forum | Mon Aug 11 09:21:04 EDT 2008 | davef
Sounds like solder is not taking to the pads of the BGA interposer. Check the solderability of the component.
Electronics Forum | Mon Aug 11 10:55:43 EDT 2008 | realchunks
RoHS BGA. No lead in it.
Electronics Forum | Mon Aug 11 07:27:32 EDT 2008 | eyalg
We had experienced two (2) A BGA which fail (detached) off the board. Surprisingly we noticed that most of solder joints remains on the board leaving perfectly exposed and clean pads on the on BGA package (virgin pads) . Note: No mechanical stress wa
Electronics Forum | Mon Aug 11 10:37:19 EDT 2008 | realchunks
I assume you mean the balls of the BGA, not pads (laugh it up guys - I said balls). If so, you may have a no-lead BGA or a high temp BGA.
Electronics Forum | Mon Aug 11 11:00:40 EDT 2008 | eyalg
RoHS BGA. No lead in it. > RoHS BGA. No lead in it. ok. this is not the case .It was sn/pb type...
Electronics Forum | Mon Aug 11 13:55:09 EDT 2008 | guhansub1
Your defect may be possibly due to black pads, although it is rare on component side. Is your BGA pad finish ENIG? If so, inspection using a SEM can give clues on the presence of black pads
Electronics Forum | Mon Aug 11 14:04:51 EDT 2008 | realchunks
Then your profile is way off. You need a t-couple mounted under the BGA on one of the center balls to measure correctly.
Electronics Forum | Mon Aug 11 10:45:04 EDT 2008 | eyalg
I assume you mean the balls of the BGA, not pads > (laugh it up guys - I said balls). If so, you > may have a no-lead BGA or a high temp BGA. hi I mean that the the balls were left on the board and the BGA pads were found clean. What do you
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