20Th International Conference on Defects in Semiconductors (Icds-20), Date: JUL 26-30, 1999, Location: BERKELEY, CA, Sponsors: Air Force Off Sci Res, Amer Xtal Technol Inc, Appl Mat Inc, Bell Labs Lucent Technol, Hewlett Packard Lab, IBM, Intel Corp, Lawrence Berkeley Natl Lab, Off Naval Res, Sula Technol, Xeeox Palo Alto Res Ctr