B-488 Type = gold purity. Type I = 99.7% TypeII = 99.00% TypeIII = 99.9% B488 is an electroplated gold spec. I don't have a copy of the nickel spec, sorry. All are available on line at www.sae.org pete >From: John Parsons <[log in to unmask]> >Reply-To: TechNet E-Mail Forum <[log in to unmask]>, John Parsons ><[log in to unmask]> >To: [log in to unmask] >Subject: [TN] ASTM Specification Reference Required >Date: Thu, 20 Jan 2005 08:50:49 -0800 > >Good morning all, > >We are quoting on a job (PCB Fab) and the specifications reference the >following ASTM Specifications; >- B689-97, (Nickel Plating) Type 1 or Type 2 plate, min thickness 3 micron >-B488-01, (Gold Plating) Type I or III gold, min thickness 0.3micron. > >I do not have ready access to copies of the ASTM specs. Can anyone cross >these to equivalent IPC spec's or at the least, interpret these for me into >PCB speak :) . > >Regards >John Parsons > >--------------------------------------------------- >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 -----------------------------------------------------