Application: Step Height Calibration Equipment: Optical and Mechanical Profiler Features: Step height etched into Quartz, coated with Chromium Traceability: SI units through NIST Product Range: 80 Å to 50 µm   Quartz Substrate Step Height (Å) 25 mm x 25 mm x 6.35 mm 80 SHS-80QC 180 SHS-180QC 440 SHS-440QC 880 SHS-880QC 1,800 SHS-1800QC 4,500 SHS-4500QC 9,400 SHS-9400QC Step Height (µm) 25 mm x 25 mm x 6.35 mm 1.8 SHS-1.8.0Q 1.8 SHS-1.8.0QC 4.5 SHS-4.5Q 4.5 SHS-4.5QC 8 SHS-8.0Q 8 SHS-8.0QC 14.5 SHS-14.5Q 14.5 SHS-14.5QC 19.5 SHS-19.5Q 19.5 SHS-19.5QC 24 SHS-24.0Q 24 SHS-24.0QC 50 SHS-50.0Q 50 SHS-50.0QC