You can use Thermo Couple (TC) wafers to calibrate your wafer temp. You can contact SensArray Corporation for TC wafers. "Tan, Chuan Seng"wrote: Hi All, Does anyone know how to determine the wafers temperature during metal deposition in an e-beam chamber ? Thanks for your inputs. Chuan Seng _______________________________________________ MEMS-talk@memsnet.org mailing list: to unsubscribe or change your list options, visit http://mail.mems-exchange.org/mailman/listinfo/mems-talk Hosted by the MEMS Exchange, providers of MEMS processing services. Visit us at http://www.memsnet.org/ (Pramod Gupta) 21084 Red Fir Court Cupertino, CA 95014 Phone: (408) 253-1646