Electronics Forum | Wed Jan 26 12:48:56 EST 2000 | Wolfgang Busko
What does easy to use mean? From operators view: - simple input menue - precise error messages with suggestions what to check first - trustable feeders - low noise - feederchange possible without stop - automatic pickup-position alignment - safety fe
Electronics Forum | Thu Jan 27 20:32:01 EST 2000 | Dave F
Kyungman: So, your boss is trying to get you to put a wet paste inspection machine on your line after the printer. Sounds like you have a bunch of toys and someone wants to give you more!!!! Ah, the burdens some people have to live with!!! ;-) J
Electronics Forum | Tue Jan 25 14:25:47 EST 2000 | Mark Miller
Has any one experienced hand soldering through hole components to white tin plated PCB's using no-clean wire solder? Our facility is presently evaluating white tin vs Sn/Pb coatings. Our only difficulty at this time has been hand soldering of wires
Electronics Forum | Fri Jan 21 19:27:54 EST 2000 | Scott S. Snider
With the Siemens line computer it is possible to see what the maximum placements per hours should be for any given job/setup. After you optimize the job you should check that and see how you perform against that number. In many cases the placements
Electronics Forum | Thu Jan 20 12:32:40 EST 2000 | Dave F
Hey Dreamguy: On stand-offs: * "Sugar" stand-offs look nice, after washing (if you wash, as Chad said), but we find them kinda fragile. The only people that can install 'em without bustin' more than they install are the "skill people" that we don
Electronics Forum | Mon Jan 31 13:34:43 EST 2000 | PAUL WOOD
HELLO CUSTOMERS OF OK LATEST INFORMATION UPDATE WITH REFERENCE TO OLD BGA 2000 MACHINES WHICH ARE NOW 6YEARS OLD MANY NEW INVENTIONS WHICH HAVE TAKEN PLACE CAN BE PURCHASED FROM METCAL TO BRING YOU TO THE FOREFRONT OF TECHNOLOGY.(PATENTED TO ) BGA 30
Electronics Forum | Sat Jan 22 20:59:51 EST 2000 | Jeff Sanchez
Michael, I am not sure if you are trying to lay out a board with vias in the pads or suffer through an assembly you got stuck with? I am building run of boards right now that has vias in most the smt pads. I'm sure the design group thought it was
Electronics Forum | Tue Jan 25 13:15:17 EST 2000 | Michael Allen
Thanks for the input Mike (and others). As you guessed, via-in-pad is not my idea, and I'm resisting it as much as I can. One of our designers used this practice at some other company, says there were no problems, and wants to use it (via-in-pad) a
Electronics Forum | Tue Jan 25 21:59:44 EST 2000 | Dave F
Michael: On reliabiliity, consider that: � IPC-SM-782, "Surface Mount Design And Land Pattern Standard" and IPC-D-279, "Design Guidelines for Reliable Surface Mount Technology Printed Board Assemblies" specifically describe via in pads as "poor des
Electronics Forum | Mon Jan 17 12:16:02 EST 2000 | Brian W.
My old company (CM) ran SMT to 50ppm including some very complex boards. We established the normalizer number by: #components + #solder joints. As was stated earlier, the ppm for any given product is the result of many factors. You may get differen
