Electronics Forum | Fri Apr 13 12:37:35 EDT 2001 | edylc
>>> gold finger was covered by a Kapton tape and it was done offline away from the Screen printer or rather from the SMT lines itself, we are using an ENIG Pcb's , the process doesnt need a wave soldering ....however at the final end of the line ,
Electronics Forum | Fri Apr 13 22:38:19 EDT 2001 | edylc
Hi , Could you be seeing the nickel under the gold plating because you are removing some of the Gold with the Kapton Tape....?? You mean , the adhesive properties of the kapton tape will cause the gold plating on the gold finger to be somehow peel of
Electronics Forum | Mon Apr 16 10:01:43 EDT 2001 | onset
Please help, Engineering has come to me with a crazy idea of putting vias straight through 0805 pads due to limited board space. I was wondering if this has ever been attempted by anyone and if it works. I'm assuming it will have negative affe
Electronics Forum | Tue Apr 17 08:54:09 EDT 2001 | davef
Process capability indices are pretty well documented. Consider: 1 A good general SPC book like: Statistical Quality Control; EL Grant & RS Leavenworth; Mcgraw-Hill; ISBN 0078443547 2 Other good books are: Statistical Process Control For SMT; WS
Electronics Forum | Tue Apr 17 03:46:34 EDT 2001 | hunter
Hello guys I need your help .....I need to know about the tools you suggest some tools for building a trouble shooting Lab. I neam is there like a complete kit having:- - Logical analyser. - LC Meter - Signal generator - V/I Characterisitc viewer.
Electronics Forum | Tue Apr 17 18:11:48 EDT 2001 | billschreiber
Adam, After a thorough cleaning, I see most of my customers using a weekly maintenance schedule. However, because the characteristics of the post solder flux will contaminate the wash solution of the stencil cleaner, some customers wait until they a
Electronics Forum | Wed Apr 18 10:58:43 EDT 2001 | CAL
We use Arlink for our portable SMT work surface. http://www.arlink.com. Now for question number 2: "Are portable SMT workbenches out there with stencil storage? " I hope you are referring to frameless stencils or even better Micro Stencils- A hollow
Electronics Forum | Thu Aug 16 23:30:02 EDT 2001 | fastek
Not exactly sure what your specific requirements are but I am in the process of clearing out a major OEM's SMT facility. Lots and lots of general production equipment is available such as stencil carts, production benches (with and without lights and
Electronics Forum | Fri Aug 17 06:54:04 EDT 2001 | Binns
I have several carts at my facility, i think we had our machine shop make them a while ago, we can store loaded feeders on the top portion and we can store several screens on the bottom. The idea is to have the days production, if two jobs or more,
Electronics Forum | Fri Apr 20 15:27:00 EDT 2001 | jimlew
We do some aperture reductions - but it's not the 10% i'm accustomed to. Looks like it should be more than we currently do (I think we do 10% of length, but no width). Don't think we have a slumping problem, and we're not doing snap-off, only contact
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