Electronics Forum | Thu Jan 12 10:21:59 EST 2006 | Dhanish
Can someone advice how the outer ring of TH part can get missing during Wavesolder process beside the Temperature Profile?
Electronics Forum | Tue Apr 25 12:01:17 EDT 2006 | daxman
Just thought I'd post and let you all know, SMT Research helped me identify the issue here. Turns out it's the outer moveable rail on the XY table. The clamp bracket brakes were in bad shape, and the outer rail was slipping.
Electronics Forum | Tue May 14 20:45:45 EDT 2002 | davef
Ashok Dhawan, an old friend of SMTnet, says: Formula for counting components on SMT tape & reels [spiral belt]: Length = Number of turns * 1/2 * 22/7 * ( dia outer + dia inner), where ... Number of turns = ( dia outer - dia inner) / thickness of
Electronics Forum | Sun Jul 19 06:11:32 EDT 2009 | dekhead
For 29x29; 622mm from rear (outer) edge of frame to front edge of board.
Electronics Forum | Wed Jul 21 10:26:19 EDT 2010 | cyber_wolf
They define outer tray dimension and thickness. The array is specific to the component type.
Electronics Forum | Fri Sep 16 08:05:15 EDT 2011 | jax
Some people believe that increasing the outer dimension will aid in centering the device during reflow...
Electronics Forum | Tue Feb 18 22:15:04 EST 2003 | davef
Arturo, So, you're not shorting to a thermal pad. Given that you're shorting to outer balls, tell us about: * Location of the shorting among the outer balls. * Board construction. * BGA constuction. * Paste deposition. * Temperature measurements ta
Electronics Forum | Fri Jul 28 21:58:44 EDT 2006 | Wave Master Larry
All you funny guys and your names. Listen, this is whats wrong with this forum and the world today. Too many clowns making fun of serious buisness. What the hell is POD group anyway. Sounds like some outer space movie to me. Maybe they hung up o
Electronics Forum | Wed Jan 14 18:23:05 EST 2009 | boardhouse
konrad, Here are a couple of things that can affect color. 1) Material color is the major, 2) Matte green from Enthone would be different in shad than Matte green from Taiyo. 3) Solder mask is two parts, One the green mask, two the hardner, having t
Electronics Forum | Wed Feb 11 17:04:47 EST 2015 | davef
A-610E, 10.7.4 covers solder mask discoloration. Use that for your disposition In a previous thread, Boardhouse told us "Here are a couple of things that can affect color. * Material color is the major, * Matte green from Enthone would be different
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