Hi Jowan,
We wrote a paper that compares different SnAgCu alloys on an empirical level. This can be found at http://www.aimsolder.com/lead_free.cfm?section=articles#10. In addition, the IPC Solder Products Value Council should be providing some very good comparative reliability data on these alloys later this year.
Regards,
David Suraski
AIM
PS- before anyone flames me for directing people to our website, please remember that last year I was flamed for NOT doing this and instead encouraging people to contact me for a paper off-line. OK, flame away.
-----Original Message-----
From: Jowan Iven [mailto:[log in to unmask]]
Sent: Friday, April 23, 2004 7:21 AM
To: [log in to unmask]
Subject: [LF] SAC alloy
Hello all,
Just joined this forum.
I'm a processengineer for a CEM (± 300 people) in Europe.
We made a decision to choose a SAC alloy for leadfree .
But it is very hard to gather information about the differences in reliability between the SAC-alloys. Can anyone tell me, or point me towards information about reliability of SAC-alloys? The focus is mainly between the Japanese (low silver SAC) alloy and the high silver content SAC alloys. In addition, are there any other issues I have to look at when choosing a SAC alloy?
Regards
Vriendelijke groeten,
Jowan Iven
-----Original Message-----
From: Leadfree [mailto:[log in to unmask]] On Behalf Of Creswick, Steven
Sent: vrijdag 23 april 2004 12:48
To: [log in to unmask]
Subject: Re: [LF] Reality check
Charles,
Just imagine how uncomfortable it would be to work in a facility that vented all of its (now higer temperature) reflow ovens into the general plant air!
Imagine the increased air conditioning load!! .... well, that assumes that
the plant is air conditioned ....
Sounds like a big energy saver to me (not)!
Yummie, and to breath all that flux! Would not make my day!
Is this from a heating and air conditioning supplier??? ... or just a moron?
Steve Creswick - Gentex Corporation
-----Original Message-----
From: Chuck Dolci [mailto:[log in to unmask]]
Sent: Thursday, April 22, 2004 7:01 PM
To: [log in to unmask]
Subject: [LF] Reality check
Question: Is the following statement about lead-free solder not requiring venting, etc.
true?
"Tin-silver-copper alloys have been developed as substitutes. The costs of these replacement solders are only marginally higher than the lead solders but there could be savings at the manufacturing end because the new solders will not require the venting and management for worker and environmental protection which was formerly necessary with lead solder during production"
Thanks
--
Charles F. Dolci
Director - Business Continuity and EH&S Programs
Sun Microsystems, Inc.
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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 delivery of Leadree for vacation breaks send: SET Leadfree NOMAIL
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 847-509-9700 ext.5315
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