NTEGRA Spectra - NT-MDT

AFM cantilever under 100x objective (in upright geometry)Cantilever1 µm height letters arereadable – thanks to100x objective(see next slide for AFM)Black spot at the apex ofcantilever is the exactpoint there the tiptouches substrate !!!AFMOptical ImageAFM probe over a structured Si substrate.View through 0.7N 100x objective, resolution 400 nmApex of opaque Si tip looks transparent on the imageThis unique observation is due to high aperture (0.7 NA) of the imaging objectiveNTEGRA Spectra