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Magnification in Modern Scanning Electron Microscopes

Magnification in Modern Scanning Electron Microscopes

Notas de Aplicação

From its earliest inception, the Scanning Electron Microscope (SEM) has been widely used as an imaging tool. It produces images by raster scanning an electron beam over a region of interest on a sample. The SEM allows for the visualization of features too small to resolve by the unaided human eye. Early SEM images were analog images which were preserved on 4 x 5 Polaroid or Kodak film. The proliferation of high speed digital electronics has revolutionized SEM, whereby everything from digital scan control to digital acquisition, to archival of digital images is not only common but expected by default on modern SEMs. Since this digital revolution, digital images are displayed on everything from desktop computer monitors to large projection screens and printed at various pixel densities on a wide variety of paper sizes.

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