Electronics Forum | Fri Jun 09 12:51:52 EDT 2006 | flipit
You can not solder to 30 micro inches of gold over nickel and certainly not 80 microns. You can not with tin lead solder or SAC305 anyway. The upper limit is between 6 and 10 micro inches of gold. This is what ENIG plates to. If you solder to gre
Electronics Forum | Thu Apr 25 20:41:07 EDT 2002 | davef
Oh great!!! You do calibrations, what once a year? And NOW yer in a BIG �time is critical� rush. �Speed in reply is appreciated.� And why couldn�t you have asked this question 6 months ago? Just what have you been doing since the last calibratio
Electronics Forum | Tue Sep 30 21:00:41 EDT 2003 | davef
We're not clear on what you seek. So, as a starting point for our discussion, we wouldn't get agitated if we saw "routine" coplanarity of 4 thou. For instance: Maximum Lead Coplanarity [Altera] Package||Acronym||Lead material||Finish||Maximum Lead
Electronics Forum | Fri May 07 16:28:07 EDT 1999 | Andrew Wulff
On 1.27mm (0.050 inches) Standard Ball Grid Array's. The ball size diameter starts at approximately 0.025 inches. If the ball size decreases to 0.012 inches (due to the solder flowing down a via) is the solder connection reliable? This is a known L
Electronics Forum | Wed Jan 12 10:05:37 EST 2005 | SuePH
Help!! Just got some new wave solder pallets in house. The pallets are 12 by 8 inches solid composite, with only two 1/2 inch by 1 inch spots cut out for the connectors. When they go over the wave, the solder wants to cling to the bottom of the pal
Electronics Forum | Thu Dec 15 01:21:42 EST 2005 | bvdb
We own a Fuji IP1 with all the manuals, etc. but can't figure out how to inch the tray robot. We can inch the X, Y, Z, Q axis and the SX and SY axis. All the axis auto zero OK (including the trays), but when I push the "4" key to inch the trays we
Electronics Forum | Wed Jan 18 09:06:30 EST 2006 | ronhammer
What I mean by it does not work is after I moved the brackets I have about 4.5 inches from the end of the TWM to the conveyor point. None of our conveyers fit there all our Conveyers have about 6 inches in the front on the conveyer. Is there a differ
Electronics Forum | Fri Jun 09 10:04:16 EDT 2006 | Rob
I know it's friday afternoon, and it's actually hot for once in this country, so my brain may not be working properly here, but isn't 30 micro inches of gold about 0.75 Microns? So that's dead in the middle for gold plating thickness (like gold finge
Electronics Forum | Sun Sep 24 09:40:33 EDT 2006 | davef
Roland It's nice that Peter is considering improving the site. Things we'd like to see improved on SMTnet.com are: * SEARCH that works effectively. [We can't find postings that we've made. AND we know the key words. So, it must be painful for oth
Electronics Forum | Tue Jul 15 16:30:57 EDT 2008 | boardhouse
Hi Aj, Recommended Immersion gold thickness would be 3-5 Micro inches over 140 -200 micro inches of Nickel. Thicker Immersion gold than 5 micro inches can cause solder joint embrittlement. Gold readily dissolves in molten solder and will be present
