Hi LS,
Unfortunately, with LF-solders we--that is the whole industry and its
customers--are stuck between this proverbial rock and a hard place courtesy of the
no-brain EU-parliament. there are currently no ways--even inaccurate ones--to
demonstrate long-term product reliability with LF-solders. That is the prime
reason they exempted some of the more critical product categories.
At this point in time my suggestion is to use SnPb-based modeling and
together with a suitable Safety Factor (read Ignorance Factor] multiplier--the
64,000-dolar-question is of course what is 'suitable.'
Werner
-------------------------------------------------------------------------------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
-------------------------------------------------------------------------------