Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
H01J3/00—Details of electron-optical or ion-optical arrangements common to two or more basic types of discharge tubes or lamps
H01J3/02—Electron guns
H01J3/027—Construction of the gun or parts thereof
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
H01J1/02—Main electrodes
H01J1/13—Solid thermionic cathodes
H01J1/15—Cathodes heated directly by an electric current
Ablenkvorrichtung zur umformung eines schmalen strahlenbuendels energiereicher elektronen in ein breites strahlenbuendel gewuenschter querschnittsflaeche