electron gun in a sentence

Examples

1. Because gas molecules diffract electrons and affect the quality of the electron gun, RHEED experiments are performed under vacuum.
2. Now the red, green and blue phosphors are separated into the three tubes, each with its own electron gun.
3. An electron gun sent a beam of electrons to the far end of the tube, where they impacted a screen.
4. In this system three separate electron guns are each aimed from different directions at a spot just behind the screen.
5. Focusing the right signal on each of these tiny spots was beyond the capability of electron guns of the era.
6. In the electron gun, the free electrons are gained by thermo-emission from a hot metal strap ( or wire ).
7. The electron beam is produced by an electron gun, commonly fitted with a tungsten filament cathode as the electron source.
8. In a typical SEM, an electron beam is thermionically emitted from an electron gun fitted with a tungsten filament cathode.
9. The shuttle Columbia's astronauts fired electron guns at the wandering Italian tethered satellite Thursday as part of a last-ditch experiment in electrodynamics.
10. The electron gun generates a beam of electrons which strike the sample at a very small angle relative to the sample surface.