Sekundääriemis
Sekundääriemis is a term used in Finnish to describe a secondary emission. Secondary emission occurs when a material is bombarded by primary particles, such as electrons, ions, or photons, and in response, emits other particles. These emitted particles are called secondary particles. The type of secondary particles emitted depends on the primary particles and the target material. For example, electron bombardment of a solid surface can result in the emission of secondary electrons, as well as reflected primary electrons and sometimes even Auger electrons.
The phenomenon of secondary emission is important in various fields. In vacuum tube technology, it can lead