Application: Step Height Calibration Equipment: Optical and Mechanical Profiler Features: Step height etched into silicon Traceability: PTB Product Range: 150 µm - 250 µm   Anodized Aluminum Substrate Step Height (µm) 50 mm x 50 mm x 5 mm 150.0 UTSHS-150S 200.0 UTSHS-200S 250.0 UTSHS-250S