H01J17/00—Gas-filled discharge tubes with solid cathode
H01J17/02—Details
H01J17/04—Electrodes; Screens
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
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J2893/00—Discharge tubes and lamps
H01J2893/0048—Tubes with a main cathode
H01J2893/0049—Internal parts
Landscapes
Vessels And Coating Films For Discharge Lamps
(AREA)