Electronics Forum | Wed Apr 16 08:24:07 EDT 2008 | davef
Have you: * Checked the solderability of the component through a test such as Dip & Look? * Checked the solderability of the board by pasting and reflowing a bare board? * Checked the quality of the solder paste print prior to component placement? *
Electronics Forum | Wed Apr 02 15:35:27 EDT 2008 | jdengler
Our AOI machine can save various views of the same part number since we all know that different manufacturers will mark parts differently, some manufacturers vary their own marks. We get parts from the same manufacturer but different date codes that
Electronics Forum | Thu Nov 16 22:01:16 EST 2000 | Early Moon
I promised never to do this - BUT only for you needy folks when I have nothing else to do. And Dave's basically a good person though not as needy as most really needing this stuff. 1) Ensure internal Gerber data really matches board and stencil (Ger
Electronics Forum | Sat Mar 18 02:21:31 EST 2006 | pavel_murtishev
Good morning, Once again a met annoying solder beading issue while producing board with PLL (leadless, contacts from the bottom side of the package). Board has very high placement density and beads appear near PLL package only. This package is finep
Electronics Forum | Mon Mar 09 16:36:38 EST 1998 | Jim McLenaghan
| We have a double sided pcb that is surface mount on both sides. Now a Through Hole connector has been added. Appart from hand soldering does anyone have info. on reflow soldering the part. The connector is 0.1mm pitch, square legs. | 1) Do you need
Electronics Forum | Mon Oct 09 20:14:29 EDT 2006 | marcelll
I'm repairing SMT for 20 years and I've worked with both machines. From my experience, I always had a bunch of problems with DEK printer and the service is terrible if your not a big one. MPM is more reliable, parts cheaper & service much better. Pro
Electronics Forum | Tue Aug 21 12:57:49 EDT 2007 | ev
Looking for pointers. We have a semi-automatic SMT Techniques stencil printer. We have had some problems with a recent job. Problems were in the areas of finer pitch ics (paste voids as well as paste shorts and some smearing) in certain locations on
Electronics Forum | Thu May 17 09:01:01 EDT 2012 | scottp
I'm not sure why anyone would pay extra for FG (fine grain) stencils. I've run studies comparing traditional YAG laser, fiber laser, and E-form stencils with regular stainless, FG, and nickel foils. YAG is the worse and should only be used for pret
Electronics Forum | Sun May 12 21:45:10 EDT 2002 | ianchan
Hi Dave, we tried the net search. anything close to the part no. draws only the "reliability data sheets" with a small print ref to JSTD-020 standards. this implies a 215deg-C @3 cycles of Reflow Oven processing. however as this can be claimed as a
Electronics Forum | Tue Sep 19 09:41:30 EDT 2017 | sumote
Steve, The 4 things I would do, and in this order: 1. Clean your stencil with stencil cleaner wipes after it comes out of the stencil cleaner. I like MicroCare ProClean (MCC-PROWR). I will even saturate the wipe with a bit of isopropal just till