Definition of scanning electron microscope in English:

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scanning electron microscope

(abbreviation SEM)


An electron microscope in which the surface of a specimen is scanned by a beam of electrons that are reflected to form an image.
Example sentences
  • Another type of scanning electron microscope, the environmental scanning electron microscope, was developed in the late 1980s.
  • After all, the stars of the best forensic science shows are often the equipment - DNA sequencers, mass spectrometers, photometric fingerprint illuminators, scanning electron microscopes and the like.
  • The hot electron source has been used on most scanning electron microscopes since their introduction in 1965.
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