[D-1-11] Calibration of Rotary Encoder Mounted on Non-Contact Three Dimensional Nano-profiler Using Normal Vector Tracing Method 〇Kota Hashimoto1, Mikiya Ikuchi1, Takeshi Ashizawa1, Katsuyoshi Endo1 (1.Osaka University) Keywords:Measurement、Rotary Encoder、Calibration、Three Dimensional Profiler、Uncertainty