Electronics Forum | Wed Jan 28 10:56:31 EST 2004 | russ
the reason you don't want to use PPM is exactly the reason you need to. You cannot compare a square 1" block to a multi faceted custom machine part. In SMT assembly you will usually find that all 0603 and larger discreetes,25mil pitch, etc. are pro
Electronics Forum | Sat Jun 12 00:34:00 EDT 2004 | kanwal324
Hi ! The main problem being faced currently is formation of solder balls - to be precise, these are micro solder beads generally found attached with bodies of SOTs, Chip Caps, Chip Resistors, between pins of SOICs (50 mil) - lying on PCB surface,
Electronics Forum | Mon Jun 14 23:02:14 EDT 2004 | Rodion Pronin
Hello! My name is Rodion Pronin and I represent research oriented software company Asprosft located in Toronto, Canada. One of our recent projects were developing a optimization engine for pcb assembly. That is, given the machine capabilities and c
Electronics Forum | Thu Jul 15 18:07:04 EDT 2004 | dwanzek
This has been a tough one to date. Any ideas will help. Problem definition � random QFP144 part not soldering all leads. Percentage fallout is about 1-5% of boards. Usually leads, one or more, on trailing side to the direction of travel does not wet
Electronics Forum | Wed Dec 22 14:21:13 EST 2004 | James Dornan of APE Inc
A little late but if this subject is still of interest the following paper from APE may be of interestwhen considering IR to Air Bath: HOT AIR versus IR and other convection Rework Systems HOT AIR is the most popularly chosen method of rework in th
Electronics Forum | Sun Feb 13 15:23:03 EST 2005 | Mike Konrad
There are several manufacturers of batch-format de-fluxing systems. Here is a list of them: Aqueous Technologies http://www.aqueoustech.com (909) 944-7771 Batch and Inline UnitDesign http://www.unitdesign.com (714) 672-9944 Batch Austin American T
Electronics Forum | Thu Apr 07 08:02:44 EDT 2005 | Grant
Hi, I used to run a clean room, and it's right, most of the dust is created internally. You will need to add some HEPA filtering to the area, and an air handling unit that can control temp and humidity as well to get correct environmental control.
Electronics Forum | Fri May 13 16:23:03 EDT 2005 | patrickbruneel
PR What you're up against is the usual bottom line manufacturing "cost" I have no direct experience with CEI, but I have experience competing with low labor cost. I have to disagree with Russ that Singapore cant handle high mix low volume because t
Electronics Forum | Sun May 29 17:36:11 EDT 2005 | MikeaJ
Dear JMT, I have read your reply, and you have one small valid point. There are times when you should call Technical Support. It is not for us to judge when each individual calls upon that resource, allow me to note a few points: 1. You can't always
Electronics Forum | Wed Aug 10 04:15:01 EDT 2005 | vinitverma
Ari, I would suggest you make a checklist of all your requirements (not just large scale production) and prioritize them with weights assigned to each. Fill in the checklist for each equipment and manufacturer and you'll have the results out. I wou
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