You searched for: “electrostatic focuses
electrostatic focus (s) (noun), electrostatic focuses (pl)
1. In television picture tubes, a technique of directing an electron beam in a cathode-ray tube by changing the voltage applied to the focusing electrode.
2. The production of a focused electron beam in a cathode-ray tube with the application of an electric field.
This entry is located in the following units: electro-, electr-, electri- (page 83) focus-, foci- (page 1)