WET900 00:39:00 50 wafer spread (expect about 920A) Front = 981A, Std Dev = 11.8 Front Center = 1090A, Std Dev = 15.0 Back Center = 1157A, Std Dev = 11.7 Back = 1213A, Std Dev = 10.3 Average All = 1085A Both thickness and Std Dev are higher than last month.