Electronics Forum | Wed Aug 04 16:49:24 EDT 2004 | jim_bob
Regarding Lead Free component finishes, vendors are zeroing in on matte tin plating as the finish of choice. What test are performed, to determine if a finish is "matte" type (vs. non-matte)?
Electronics Forum | Tue May 16 16:36:18 EDT 2006 | dougm
Has anyone had issues with chips not making a reliable connection in sockets with a matte tin finish (RoHS compatible)? We have had issues with these types of sockets. I sent some to the manufacturer, and was told there weren't any problems. We re
Electronics Forum | Mon Jul 10 09:23:47 EDT 2006 | Rob
Hi Dougs, Info as follows: TAICOM TSD42: Matte Tin, 240C for 5 secs TAICOM TSD08: Matte Tin, 225/3 secs (I wouldn't!) TAICOM TKB06MSL: Matte Tin 260/40 secs (TBC) HARTING 09232486824: Harting don't supply. TAICOM TI40BHS: Matte Tin, 225/3 secs (I
Electronics Forum | Wed Dec 21 21:24:59 EST 2005 | davef
Primary differences between Matte Tin plating and Bright Tin plating are: * Temperature compatibility ** Matte Tin is compatible with the elevated temperatures of lead-free, reflow processing (250-260C). ** Bright Tin has a tendency to discolor (turn
Electronics Forum | Thu Aug 05 14:45:03 EDT 2004 | davef
Bright vs matte tin is fairly easy, but there's a s whole bunch of alternatives, beyond those two choices. So, no, not that we know.
Electronics Forum | Wed Dec 21 10:59:44 EST 2005 | Dhanish
1)What is the difference between Bright and Matte Tin? 2)How do you perform Tin Whisker Test?
Electronics Forum | Tue May 16 18:05:05 EDT 2006 | russ
Need to switch from tin to possibly gold contacts, tin oxidises. Russ
Electronics Forum | Mon Dec 12 11:18:59 EST 2005 | muse95
OK, I feel the need to jump in here. Bright Tin has the tendency to easily whisker, and is almost never used, except on some through-hole connectors, I believe. Matte Tin is much less susceptible to whiskering, although under the right stress cond
Electronics Forum | Wed Aug 04 18:38:53 EDT 2004 | davef
whiskers / "matte" => no whiskers. Look here: http://nepp.nasa.gov/whisker/anecdote/20year/ There. Nice going. What a buzz killer. I've got to got find some donuts, cold pizza, er whatever.
Electronics Forum | Thu Aug 05 10:55:19 EDT 2004 | jim_bob
Thanks. Yes, this is a interesting topic, and one that keeps our component engineers busy these days. I'm familiar with the data you referenced. Is there a "easy" method (test method) to use at incoming inspection to verify a termination is "matte
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