The finish after reflow may be academic Tin melts at 231.93 Centigrade

 
 
John Burke
 
(408) 515 4992

-----Original Message-----
From: Leadfree [mailto:[log in to unmask]] On Behalf Of Glen Herzog
Sent: Wednesday, April 30, 2008 11:42 AM
To: [log in to unmask]
Subject: Re: [LF] tin whiskers / reports of nasa

Richard,

I've just seen your two "whiskers" pictures.  The brilliance and smoothness
of 
the leads tends to convince me that this is a bright tin plated lead  - not 
matte tin.  Supposedly, bright tin has more organic material in it that
promotes 
whiskers.  

Glen

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-------------------------------------------------------------------------------Leadfee Mail List provided as a service by IPC using LISTSERV 1.8d
To unsubscribe, send a message to [log in to unmask] with following text in
the BODY (NOT the subject field): SIGNOFF Leadfree
To temporarily stop/(start) delivery of Leadree for vacation breaks send: SET Leadfree NOMAIL/(MAIL)
Search previous postings at: http://listserv.ipc.org/archives
Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815
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