Both properties are often synthesized into the perveance .
Strictly speaking, a third parameter is required to characterize a charged particle beam, such as the emittance, which is a measure of the degree to which the particle trajectories are non-laminar.
The (technologically) most important types of charged particle beams are:
Walking on carpet can generate static electricity, that is, an electron (e-) similar to the illuminating electrons emitted by a light bulb, the electrons that form images on the picture tube of your television and electrons used to create Xrays for dental Xray imaging.
The speeding electrons damage and destroy bacteria in and on the food upon colliding with the bacteria.
Electronbeam irradiation controls bacteria, molds, yeast, and insects which cause deteriation and spoilage and decrease the quality of fresh produce and other foods.
Electronbeam welding is a phenomena that is thoroughly understood by scientists and engineers that have studied the process in the research lab, but very little information is published for those of us that want to know more about the welding process performed with electronbeam energy.
The focused beam of electrons is directed at a targeted location on the weld joint at which point the kinetic energy of the electrons is converted to thermal energy.
Beam Deflection - The movement of the electronbeam by the electromagnetic coils or by undesirable magnetic or electrical fields.
Feeds |
Contact