Gold over Nickel is a problematic plating for press fit. The Nickel have a tendency to crack. Best Regards Reuven ROKAH e mail: [log in to unmask] "Ingemar Hernefjord (KC/EMW)" To <ingemar.hernefjo [log in to unmask] [log in to unmask]> cc Sent by: TechNet <[log in to unmask]> Subject Re: [TN] Press Fitting Soldered Contacts Into ENIG 14/09/2006 09:36 Please respond to TechNet E-Mail Forum <[log in to unmask]> ; Please respond to "Ingemar Hernefjord (KC/EMW)" <ingemar.hernefjo [log in to unmask]> Brian, We have a simple rule here: gold-gold or tin-tin (not the cartoon one). So, never a gold pin into a tinned board or vice versa. Inge -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of [log in to unmask] Sent: den 12 september 2006 17:24 To: [log in to unmask] Subject: [TN] Press Fitting Soldered Contacts Into ENIG Good morning all, Are there any particular reliability concerns when press-fitting a soldered contact (SN63) into a plated barrel with an ENIG surface? What might the outcome of this be over the long term? Is this an accepted practice? Would this be acceptable in a class 3 military application? Thank you for your input. Brian Guidi Senior Product Engineer Teledyne Printed Circuit Technology Tel: (603) 889-6191 X:310 Fax: (603) 886-2977 E-mail: [log in to unmask] Visit us @ http://www.tetpct.com Any technical information attached to this document is intended for the recipient only. Also, the export and use of the information is regulated by the export laws of the United States. Diversion contrary to U.S. law is prohibited. U.S. law prohibits sharing this information with any end-user for any end-use related to the design, development, production, stockpiling or use of chemical, biological or nuclear weapons or missiles, without the prior approval of the United States Government. --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 1.8e 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 ----------------------------------------------------- --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 1.8e 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 -----------------------------------------------------