We contracted some board assembly out turnkey. Some of the resistors were to be precision 0.1% and +-25ppm. However, how do you tell if the correct part was put in? Can anyone give me some insight on how to verify we received what we specified in the BOM. Dee Stover [log in to unmask] Associate Technician Design National Optical Astronomy Observatory 950 N Cherry Ave Tucson, AZ 85719 www.noao.edu 520-318-8489 FAX 520-318-8303 --------------------------------------------------- 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 -----------------------------------------------------