A good acoustic microscope should be able to find these cracks quickly and non-destructively. It is not a cheap tool, though, at $100k-$200k depending on the options. On Mon, 5 Jun 2006 10:11:04 -0400, Tempea, Ioan <[log in to unmask]> wrote: >Hi Technos, > >a never ending story, ceramic caps that crack, possibly due to depanelizing. The damage is not visible, unless the cap is cross sectioned. > >Is there any testing, thermal cycling or something like that, that could show the damage real fast? > >Thanks, > >Ioan --------------------------------------------------- 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 -----------------------------------------------------