electron beam

English

Noun

electron beam (plural electron beams)

1. Synonym of cathode ray
   • 2020, Alexander Figotin, An Analytic Theory Of Multi-stream Electron Beams In Traveling Wave Tubes, World Scientific, →ISBN, page 40:

     From the early days of the invention of traveling wave tubes and other devices employing electron beams, there have been efforts to understand the mechanisms and physics of RF signal amplification in those devices.