Charged particle beam Guide, Meaning , Facts, Information and Description

A charged particle beam is a group of electrically chargedd particles that have approximately the same kinetic energy and move in approximately the same direction. Usually, the kinetic energies are much higher than the thermal energies of particles at ordinary temperatures.

The high energy and directionality of charged particle beams make them useful for applications.

A charged particle beam is characterized by:

• the energy of the particles, typically expressed in (kilo/mega)electron Volt,
• the intensity of the particle current, expressed in ampere.

Both properties are often synthesized into the perveance .

The (technologically) most important types of charged particle beams are:

• Electron beams, consisting of electrons.
• ion beams, consisting of ions.

See also: electron beam technology

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