I got you now Werner. I forgot to mention, as you know, the near 45 degree stress risers/vectors affecting ILS - in conjuction with the xyz stuff and the various laminate, core, and prepreg stuff I sent you. This is getting more interesting all the time and CAF fits in there too. Thanks, Earl Oh yes, thermal stress is good for determining barrel cracking AND delamination per the three hole evaluation zone in 600 and 6012. --------------------------------------------------------------------------------- Technet Mail List provided as a free 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/html/forum.htm for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ---------------------------------------------------------------------------------