Prof. Muhammad Javeed
University of Central Punjab
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, Transmission Electron Microscope
Transmission electron microscope (TEM),
type of electron microscope that has three
essential systems: (1) an electron gun, which
produces the electron beam, and the
condenser system, which focuses the beam
onto the object, (2) the image-producing
system, consisting of the objective lens,
movable specimen stage, and intermediate
and projector lenses, which focus the
electrons passing through the specimen to
form a real, highly magnified image, and