Focusing electrode | Article about focusing electrode by The Free Dictionary
focusing electrode[′fō·kəs·iŋ i‚lek‚trōd]
An electrode to which a potential is applied to control the cross-sectional area of the electron beam in a cathode-ray tube.
References in periodicals archive
Recoil protons pass from the decay zone through a cylindrical time-of-flight electrode and are focused onto the MCP by spherical focusing electrodes
. These are each set at about 18 kV to 20 kV and the combined system is cylindrically symmetric about an axis normal to the MCP.