Electronics Forum | Fri Sep 26 12:57:09 EDT 2003 | Angie
We have had some components that popped off in our IR oven. It was attributed to the solder paste. The humidity was above 60% the temp was about 70 degrees.
Electronics Forum | Tue Sep 23 23:19:34 EDT 2003 | RLW
If you have a board that you've run several times, now you run it and like before all settings are the same, but now you have 0603's randomly skewed or an inch or so away from their intended pad (as if popped up in the air), or an occasional 7343 cap
Electronics Forum | Tue Aug 16 07:51:16 EDT 2011 | a
C-SAM is a non-destructive alternative that a lot laboratories and chip manufacturers use. Dye and Pry would work I suppose although I have never done it in practice with PoP but it should be any different for PoP.
Electronics Forum | Wed Sep 24 08:34:57 EDT 2003 | stefwitt
Even when you run a board several times, the machine may not make the same travel path every time. This in itself does not create a problem, but the vacuum on the nozzles could be different, dependent on the configuration of components on the heads.
Electronics Forum | Mon Jun 26 23:33:20 EDT 2006 | KEN
We saw this condition over 3 years ago. It sometimes is called "champagne bubbles". The intemetalic formation is interrupted due to the micro voiding reducing mechanical strength. I discovered this on lead free test vehicles for a major computer
Electronics Forum | Thu Jul 06 13:36:37 EDT 2006 | SWAG
We've had much trouble with flex circuits. As previously mentioned, you must have local fids for the board or the BGA itself (if panelized). Other troubles we experience are drilled holes for pinned connectors. Unless the PCB manufactur has some w
Electronics Forum | Wed Jan 20 08:49:46 EST 2010 | edmaya33
I heard some of the manpower of KY transfer to VI technologies to introduce a new technology, same manner as of KY had. This french owned company post an impressive Inspection machine ( Both AOI and SPI ). Going back to ORBOTECH P36+, is there any
Electronics Forum | Mon Aug 15 18:42:53 EDT 2011 | bandjwet
Does anyone have experience in doing dye and pry analysis on PoPs? A customer wants to know whether or not the board level or device-device interconnect is the suspect. What other technique can anyone recommend? BWET
Electronics Forum | Mon Nov 02 14:45:25 EST 2015 | stevezeva
Hi there! If they are just standard headers there's a company called Teka that makes headers and socket headers with solder preforms in them. They call it "Solder Bearing Lead Technology" You can drop them in the board and reflow them just like SMT p
Electronics Forum | Fri Oct 05 08:35:29 EDT 2001 | PeteC
I believe this machine is now the MPM UP 100 and is supported thru Speedline Technologies-MPM and is now mfg.'d in Franklin Mass.
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