jordin

by sr2nj4u
Last updated 6 years ago

Discipline:
Science
Subject:
Technology

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jordin

scanning electron microscope

The diagram above shows a picture of a scanning eletron microscope.

A scanning electron microscope produces images of a sample by scanning it with a focused beams of electrons.

These are used for inspecting topographies of materials with a magnification rangs that encompasses that of optical micrscopy and extends it to the nanoscale.

An electron microscope uses electrostatic and electromagnetic lenses to control the electron and focuses to from an image

The S.E.M produces images by probing the specimen with a focused electron beam that is scanned across a rectangular are of the specimen.

The technology of the SEM was unveiled in 1935

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