TEM and SEM

1. Types of Electron
Microscope
 Transmission Electron Microscope
 Scanning Electron Microscope

2. Transmission Electron Microscope
(TEMs)
 The electron beam passes through the specimen.
 Electrons are deflected as they pass through the
material and the pattern is converted into an image

3. Scanning Electron Microscope (
SEMs)
 SEM record the electrons that are reflected off the
surface of a specimen.
 Thin specimens are not needed and 3-D images
are produced