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
Electronics Forum | Wed Jan 24 12:42:25 EST 2001 | traviss
I�m suddenly getting a very high failure rate in a TO99 component (National LM136AH-2.5). After some investigation we found some of these parts are more than 20 years old. What I am hoping for is that someone out there can help me find some standards
Electronics Forum | Mon Jan 31 12:15:32 EST 2000 | Neil
I am looking for a Mydata users group, one possibly located in the Chicago area. If such a group does not exist, I would be more than happy to help start one. I have an older Mydata TP9 (non-UNIX) machine, with weak (yet expensive) support from the m
Electronics Forum | Tue Sep 14 20:21:19 EDT 1999 | Pat Copeland
I am looking for help on doing smt equipment qualifications. I need to find some examples to follow. The equipment to be qualified is a Stencil Machine, Pick and place machine, and Reflow oven. We manufacture medical devices so it has to be somewhat
Electronics Forum | Mon Nov 26 12:00:20 EST 2001 | peterson
Hi everyone, I am looking for a reliable company (preferrably on the west coast) that can make Wave Solder and Press-Fit fixtures for our back-plane division. I need a reliable source that can take our data and produce quality fixtures in a 5-7 day
Electronics Forum | Sat Jan 25 17:46:07 EST 2003 | testing
I am currently finding it challenging(help!) to determine how I can introduce SPC ontrol within the AOI process and how the AOI can help control other SMT processes. Can someone please provide me with some ideas or any of excels fancy charts/macro
Electronics Forum | Wed Nov 24 06:24:52 EST 2004 | Joe
Hi, I am an Engineering student doing some research on the component/nozzle interface on SMT Pick and Place machines. Could anyone tell me the force at which the nozzle hits the component as it is picked from the feeder or the placement force on a
Electronics Forum | Fri Dec 16 18:37:10 EST 2005 | mdemos1
Hi. I am trying to understand Tg and how it relates to reflow. With the higher temperatures of lead free, we have been looking toward laminates with a Tg of 180 instead of the current 140. My question is a little more general. In either lead free
Electronics Forum | Mon Dec 18 13:00:47 EST 2006 | grantp
Hi, We have a white residue, which is visible, and we would like to have the produce clean as it's a PCI card, so users see the PCB. I am wondering if we need to install a cleaning stage to the line for these kinds of products. Can anyone give som
Electronics Forum | Fri Feb 08 03:54:37 EST 2008 | muarty
I would think that you could quite easily use 0.6mm I/D nozzles even when using a hand syringe. As you say you are only using this for larger devices to prevent them from falling off. I am sure there are very reasonably priced small compressed air un
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