Actually no, imAu does not provide enough Au for Au-embrittlement, and electrolytically plated Au is not an accepted surface finish. Of course, one screw up anything with inappropriate choices. Werner -----Original Message----- From: Vladimir Igoshev <[log in to unmask]> To: TechNet E-Mail Forum <[log in to unmask]>; Werner engelmaier <[log in to unmask]> Sent: Mon, 9 Feb 2009 8:00 pm Subject: Re[2]: [TN] lead adding I mentioned it just because in that particular case the lead finish does affect the reliability of the joints. -- Best regards, Vladimir mailto:[log in to unmask] SENTEC 11 Canadian Road, Unit 7. Scarborough, ON M1R 5G1 Tel: (416) 899-1882 Fax: (905) 882-8812 www.sentec.ca Well, what about Au-embrittlement? We know it causes earlier failures, is bad news, and cannot be predicted--only avoided. Werner -----Original Message----- From: Vladimir Igoshev <[log in to unmask]> To: TechNet E-Mail Forum <[log in to unmask]>; Werner engelmaier <[log in to unmask]> Sent: Mon, 9 Feb 2009 6:52 pm Subject: Re[2]: [TN] lead adding Well Werner, then what about Gold embrittlement? -- Best regards, Vladimir mailto:[log in to unmask] SENTEC 11 Canadian Road, Unit 7. Scarborough, ON M1R 5G1 Tel: (416) 899-1882 Fax: (905) 882-8812 www.sentec.ca --------------------------------------------------- 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 -----------------------------------------------------