This is probably Bright (watts) nickel? Jeffrey Bush Director, Quality Assurance and Technical Support 76 Technology Drive - POB 1890 Brattleboro, Vermont 05302-1890 Tel. 802.257.4571.21 Fax. 802.257.0011 [log in to unmask] http://www.vtcircuits.com -----Original Message----- From: David Douthit [mailto:[log in to unmask]] Sent: Tuesday, June 15, 2004 9:09 AM To: [log in to unmask] Subject: Re: [TN] Nickel Wear Resistance Robert, Is this nickel electroless or electrolytic deposited? Nickel is very brittle and oxidizes quite rapidly. I would think cracking and a build up of oxides knocked loose by the pins (leading to intermittent operation) would be a major concern. David A. Douthit Manager LoCan LLC Robert Lazzara wrote: >I am fabricating a PCB that requires selective electro-deposited nickel >on contact pads. > >The nickel-plated pads are subsequently mechanically contacted by >spring- loaded "pogo" pins. > >The actual fabrication is not an issue; rather, my client has asked a >question I've so-far not been able to answer: What is the wear >performance of nickel? > >I'm seeking general relative information on the wear characteristics of >nickel (versus, say, copper or tin/lead solder) instead of the specific >performance in my client's application. > >So-far I've reviewed an abundance of information concerning the >conformance of nickel, but not performance as regards wear resistance. > >Any and all references/suggestions will be appreciated. > >Robert Lazzara >Circuit Connect, Inc. >T (800) 560-9457 >F (888) 453-0520 > >--------------------------------------------------- >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 847-509-9700 ext.5315 >----------------------------------------------------- > > > > --------------------------------------------------- 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 847-509-9700 ext.5315 ----------------------------------------------------- --------------------------------------------------- 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 847-509-9700 ext.5315 -----------------------------------------------------