m2c 3D calibration technology helps to turn a SEM with 4 Quadrant BSE detectors (4Q BSD) into a quantitative measurement system. 3D calibration with special m2c reference structures for 4Q BSD SEMs has the following advantages:
Simultaneous (one-step) lateral and vertical calibration
Calibration is extremely efficient and accurate due to advanced image processing methods
Calibration structure has a spherical segment for the signal adjustment of the four backscatter detectors (BSD)
m2c 3D calibration structures for 4Q BSD SEM systems are available for several scan areas, from 40 μm x 40 μm and up to 80 μm x 80 μm. The complete structure with four elements (full area) or a single pyramidal element (quarter area) may be used for the automated calibration process