Hi Lee, What do you mean by "overheated"? The structure of the solidified solder shouldn't depend on how high it was heated above liquidus, I have pictures of SAC 305 after very long aging at rather high temperatures (they were published a while ago), so if you need them please let me know. Regards, Vladimir SENTEC ------Original Message------ From: Lee Whiteman Sender: TechNet To: [log in to unmask] ReplyTo: TechNet E-Mail Forum ReplyTo: [log in to unmask] Sent: Sep 16, 2009 11:36 Subject: [TN] SAC-305 IMAGE Does anyone have a cross-section image of SAC-305 that has been overheated (i.e. solder iron was kept on too long or the thermal profile was too high)? If so, please ship it over to me in a JPG format. I have to show some people what it looks like. Thanks. Lee Whiteman, PMP Senior Member Engineering Staff L-3 Communications East Telephone: (856) 338-3508 FAX: (856) 338-2906 E-Mail: [log in to unmask] --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 15.0 To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts 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 ----------------------------------------------------- SENTEC 11 Canadian Road, Unit 7. Scarborough, ON M1R 5G1 Tel: (416) 899-1882 Fax: (905) 882-8812 www.sentec.ca