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
Figure 1. Ideal location of target
Figure 2. Measured results of circle centers