Electronics Forum | Wed May 24 17:49:51 EDT 2000 | Keith Luke
SMTneters, The end of May finds several recent publications from leading publishers on my desk. I am all too happy to share these books with our loyal SMTneters in the hopes that they will provide us with a timely review of the new release. For ma
Electronics Forum | Fri Jul 15 13:58:32 EDT 2005 | seaK
Our production is putting QFN40 and QFN56 package on board. With 80% opening on terminal, 40% on thermal pad, we found QFN56 100% forming toe fillet, but it does not work out the same to QFN40. We suspect it's because of the weight of component.....
Electronics Forum | Thu Nov 26 06:05:32 EST 1998 | Earl Moon
| Certain board designs require the unavoidable use of non-plated holes and slots. Presently, this requires a trip back to the drill house to open up the aforementioned holes, to remove the unwanted plating. In situations requiring non-plated holes a
Electronics Forum | Mon May 07 16:07:05 EDT 2012 | davef
Start with targets based on the stencil thickness (for height) and stencil thickness times the aperture size (for volume). * Set reasonable upper and lower control limits (+ 25% and –25 % of the targets, for example). * Next, check the printer set-u
Electronics Forum | Wed Jan 06 23:49:48 EST 1999 | Chris G.
| Hey All you Einsteins out there!! | | I gotta' problem...('course you do Steve, or you wouldn't be bugging the TechNet now would you?) I had a phone call from a acquaintance of mine wanting to bring two prototype boards over to rework a BGA socket
Electronics Forum | Wed Jan 06 19:43:15 EST 1999 | Steve Gregory
Hey All you Einsteins out there!! I gotta' problem...('course you do Steve, or you wouldn't be bugging the TechNet now would you?) I had a phone call from a acquaintance of mine wanting to bring two prototype boards over to rework a BGA socket, (act
Electronics Forum | Wed Jan 06 21:17:31 EST 1999 | Dave F
| Hey All you Einsteins out there!! | | I gotta' problem...('course you do Steve, or you wouldn't be bugging the TechNet now would you?) I had a phone call from a acquaintance of mine wanting to bring two prototype boards over to rework a BGA socket
Electronics Forum | Wed Jan 06 21:56:37 EST 1999 | Steve Gregory
| Youse: This is SMTnet Steve. Sacrifice the socket. By the time you finish putzing-around removing the balls to get the socket off the board, replacing the lifted pads on the board, and reballing the socket; you've burnt the $100 that the socket
Electronics Forum | Wed Jan 06 23:01:48 EST 1999 | Dave F
| | Youse: This is SMTnet Steve. Sacrifice the socket. By the time you finish putzing-around removing the balls to get the socket off the board, replacing the lifted pads on the board, and reballing the socket; you've burnt the $100 that the socke
Electronics Forum | Mon Feb 14 12:07:47 EST 2000 | Dave F
Leslie: Product screens and tests of prototypes and test vehicles should be tailored for the specific goal and product. I caution your use of equations and test condition information without specific use environments and design conditions. Lawyer:
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