On Mon, 20 Apr 1998 22:59:51 +0000 "Istvan, Retaller" writes: > Perhaps was a point when doses were good, but later was >risen to > >a level harmful for crystal structure...? The source was cobalt, but >the > >doses...? I don't remember. All the reports I've heard are that exposure to X-rays or gamma rays will erase OTP devices, but also damage them at about the same time. There is no (reliable) way to re-use them. _____________________________________________________________________ You don't need to buy Internet access to use free Internet e-mail. Get completely free e-mail from Juno at http://www.juno.com Or call Juno at (800) 654-JUNO [654-5866]