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604
(Crossed-Lines)
Carbon replica with Au/Pd shadowing with 2,160 lines per millimeter. Replica is mounted on a 400 mesh copper TEM grid with a diameter of 3mm. See our number 252 Magnification Calibration Slide-Rule for quick assistance in obtaining magnification based on space counts of this product.)
PELCO® Technical Notes, SEM Magnification Calibration Diffraction Grating Replica (195KB PDF)