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Test Report(Original data) of a chrome dot grid calibration target

For this report we measured dot center positions (x, y) in a calibration target as shown below:

Ø pattern size: 20x10mm

Ø array size: 11x6

Ø dot spacing: 2.0mm

Ø dot diameter: 1.0mm

Ø type: chrome-on-glass

Ø OMM machine used: Hexagon OMM machine with uncertainty Exy= ±(0.6+L/900) um  (Laboratory temerature 20℃, humidity 49%)

Ø OMM measuring 3rd party is accredited in accordance with ISO/IEC 17025:2005 General Requirement for the competence of Testing and Calibration Laboratories


           ideal locations.jpg Figure 1. Ideal location of target

Measure result values of circle centers.png
  Figure 2. Measured results of circle centers