Electronics Forum: vibrating and magazine (Page 1 of 6)

Dye and Pry

Electronics Forum | Wed Mar 12 07:33:40 EDT 2008 | callckq

Hi All, One PCBA failed test after went through the Shock Test(Vibration) and suspected to be BGA solder ball crack. We performed dye and pry and found PCB's pad lifted with red mark ink penetrate pad underneath, what does this mean? Can I say the

Mydata Pick and place

Electronics Forum | Wed May 09 10:39:03 EDT 2001 | davef

The two first level cuts at comparing placement machines are: * Placement rate * Range of component capabilities This boils-down approximately to machine price. Virtually, everyone's feeders are priced similarly. Go to "Circuits Assembly" magazine

Dye and Pry

Electronics Forum | Wed Mar 12 23:00:10 EDT 2008 | davef

You can say: The pad was lifted after reflow and prior to the dye and pry failure analysis. When we see lifted pads, we think: * That's a good solder connection * Either it took a lot of force to lift that pad or the fabrication of the board in the

Inspection and splicing

Electronics Forum | Tue Aug 21 08:34:03 EDT 2007 | rgduval

We have the same problems with cut/tape parts. But, we specialize in short-run prototypes, so I don't have much of a choice but to deal with it, and find a way to make it as easy as possible. We just demo'd a splice tool from Sierra Electronics (ww

Dye and Pry

Electronics Forum | Thu Mar 13 01:42:58 EDT 2008 | Sean

Thanks Real Chunks and Davef...Yours input is valuable to me. My inputs towards your question asked below: Questions are: * Why did you tell us the following? "This BGA is installed with heatsink (with hook at both side of the heat sink) manually b

Dye and Pry

Electronics Forum | Fri Mar 14 11:25:02 EDT 2008 | hegemon

ol' hege has got to agree with Chunks and Dave. Seems every time there is a problem, the finger is first pointed at the process. For my $.02 it doesn't matter if your process is 100% bulletproof, procurement will screw it up by finding a vendor that

Mydata TP9-2 and TP11-UFP difference

Electronics Forum | Wed Jul 17 18:00:37 EDT 2019 | rgduval

Generally, the machines can place the same types/sizes of components. The advantage with the 11 is that you can have more magazines loaded with more components, and build larger assemblies more efficiently. The -9, though, will get you through near

Imm Silver and Voiding

Electronics Forum | Tue Jun 27 16:29:28 EDT 2006 | Board House

There was a good artical on this in Assembly Magazine October 5, 2005 by Donald P. Cullen, Director of OEM and Assembly Applications, MacDermid Inc., Waterbury, CT Heres the Link http://www.assemblymag.com/CDA/Archives/56840a86f06c9010VgnVCM10000

Tp9 and Tp9 ufp

Electronics Forum | Wed Oct 26 11:02:41 EDT 2011 | dyoungquist

TP9 machines are good, but old machines. We ran a TP9 for many years. As the machine got older it required more and more maintenance and had more frequent small issues similar to what you are seeing. We only saw 1 of your 4 issues specifically whi

Mydata TP9-2 and TP11-UFP difference

Electronics Forum | Thu Jul 18 17:38:27 EDT 2019 | rgduval

Not swapping out feeders....swapping out magazines. It only works well if you have enough extra mags to load all the feeders on. And is a viable solution if your position limited on your machine. Before the advent of Aegis feeders for My machine

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