A stream of electrons in a gas or vacuum.
More example sentences
- This random emission of photons leaves the resulting electron beam with a fuzzy, rather than a sharply defined focus.
- Finally we stained the sample, attaching heavy-metal ions to increase its electron density in the electron beam.
- In the space between the flat type screen and the back electrode, linear cathodes and an electrode unit including an electron beam extracting electrode are arranged.
Definition of electron beam in:
- The US English dictionary