Electronics Forum | Thu Aug 30 16:17:07 EDT 2018 | emeto
First suspect PCB contamination - clean the boards, bake/dry them, try again.
Electronics Forum | Thu Sep 20 07:28:19 EDT 2018 | proceng1
I agree, your PCB has contamination or something.
Electronics Forum | Thu Oct 25 14:36:42 EDT 2018 | etmpalletguy
Look at the Stencil man! Give me a call offline if want, I'm with Stentech, tooling & stencils...
Electronics Forum | Wed Sep 02 15:30:35 EDT 2020 | researchmfg
1. Reflow carrier 2. Reduce panel quantity and size
Electronics Forum | Wed Sep 02 16:55:29 EDT 2020 | emeto
Just what was said plus 3. the number of solid tabs can be increased for stability.
Electronics Forum | Wed Feb 14 11:44:37 EST 2024 | erikfriesen
Is it an option to reload software somehow? What year is the machine?
Electronics Forum | Wed Feb 14 11:59:47 EST 2024 | andrii
I reloaded the software, same result. Machine manufactured in 1993)
Electronics Forum | Mon Mar 11 13:02:07 EDT 2024 | denism
Hi, Did you check power cable to the camera? It is can be the reason.
Electronics Forum | Thu Jul 05 13:47:10 EDT 2007 | arun2382
QFN assembled on a PCB indicates paramteric fails when tested. When the QFN on PCB is reflowed a second time, it recovers and passes testing. Visual, X-ray inspection revealed no anomalies. Cross-section images of solder joint revealed no anomalies (
Electronics Forum | Thu Oct 28 15:53:27 EDT 2010 | dwonch
Ok, just to put closure on things I figured I should post the conclusion of this whole ordeal. We've acquired a new BGA rework station that allows us to get away without tenting our vias under the BGAs. This allowed us to change our PCB spec to rem
