Electronics Forum | Tue Dec 14 08:26:10 EST 2004 | davef
Try: * Trade journals [ie, SMT Magazine, Circuits Assembly, etc], for instance: http://circuitsassembly.com/pdf/0203/0203heller.pdf * Professional organizations, like SMTA, for instance: http://www.smta.org/knowledge/journal_detail.cfm?JOURNAL_ID=86
Electronics Forum | Wed Dec 22 10:18:52 EST 2004 | tonyfox
Our company laser re-ball's BGA down to 100 microns ball size. One of our OEM customers have asked us to function test there BGA on Mobile phone PCB's. Origionally we thought of a test sockets however the sockets interfere with other devices on the P
Electronics Forum | Wed Dec 22 23:29:57 EST 2004 | KEN
Check with Dupont's web site. They have a wealth of information on the various polyimide products they manufacture. I was quite surrised at the differences in materials and in particular the dimensional stability and hydroscopy. Good stuff mayna
Electronics Forum | Sat Jan 01 10:14:30 EST 2005 | davef
East coast, solder connection failure analysis labs in the vacinity of New England are: * American Competitiveness Institute, Electronics Manufacturing Productivity Facility, One International Plaza - Suite 150, Philadelphia, PA 19113(610) 362-1200 F
Electronics Forum | Wed Jan 12 10:05:20 EST 2005 | Dreamsniper
we are using polyimide boards 6 inches x 7 inches, 2.5mm thick, 12 to 14 layers, for aerospace industries. I am using a long bake of 12 hours at 70'C prior to manufacturing or exposure to elevated reflow and wave soldering temperature. If schedule i
Electronics Forum | Wed Jan 26 11:34:10 EST 2005 | attilio
As per the title. I'm a manufacturing engineer writing from Italy. We have an old oven ETS/Universal branded that needs to replace a control card. It's an IR lamp oven still utilized to cure glue. Unluckily here there's no more availability of the
Electronics Forum | Fri Feb 18 09:06:33 EST 2005 | russ
This is what we use. 1. we only reball when we experience a manufacturing defect (short, trapped component, etc...)and if the part is expensive 2. No testing is done prior since we only reball parts that have a defective attachment. 4. The reliabi
Electronics Forum | Mon Feb 07 08:34:46 EST 2005 | Dougs
we are still looking into possible causes, we have rigged up a test to determine whether the cap is cracked and have ran a controlled batch off of SMT, these were all tested and look OK. I'm looking into buying some small strain gages to place over
Electronics Forum | Wed Feb 09 18:56:28 EST 2005 | darby
I would suggest that you contact your local contract manufacturers and see if they want some "free" labour for a month or so. There may be difficulties with insurance etc - maybe your HR dept could help there. Try and find one with a few different li
Electronics Forum | Fri Feb 18 13:26:49 EST 2005 | GS
Thanks Dan. Q. to all : any EMS experience like when your Customer audits your facility for manufacturing readiness and when they ask you: what about control of component vintage ? or how do you handle the component shelf life on your facility? etc
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