An electron gun (also called electron emitter) is an electrical component that produces an electron beam that has a precise kinetic energy and is most often used in television sets and computer displays which use cathode ray tube (CRT) technology, as well as in other instruments, such as electron microscopes and particle accelerators. Electron guns may be classified in several ways:
- by the type of electric field generation (DC or RF),
- by emission mechanism (thermionic, photocathode, cold emission, plasmas source),
- by focusing (pure electrostatic or with magnetic fields), or
- by the number of electrodes.
Read more about Electron Gun: Characteristics, Applications
Famous quotes containing the word gun:
“What cannot stand must fall; and the measure of our sincerity and therefore of the respect of men, is the amount of health and wealth we will hazard in the defence of our right. An old farmer, my neighbor across the fence, when I ask him if he is not going to town-meeting, says: “No, ‘t is no use balloting, for it will not stay; but what you do with the gun will stay so.””
—Ralph Waldo Emerson (1803–1882)