Yeah, that looks like one of the new high-tech autonomous drones we've been working on. (probably radioactive, too!) Jack On Thu, 19 May 2011 15:53:40 -0400, Steve Gregory <[log in to unmask]> wrote: >Although this board wasn't conformal coated, this "FOD" was found in the >soldermask when I was working at a past employer: > >http://stevezeva.homestead.com/StrangeMaskDefect.jpg > >I wonder would you need to put this in a SEM to figure out if it is a tin >whisker or not? > >Steve > > --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 16.0 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 For additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 -----------------------------------------------------