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Filing date
Publication date
Application filedfiledCritical
Priority to JP2978989UpriorityCriticalpatent/JPH02120206U/ja
Publication of JPH02120206UpublicationCriticalpatent/JPH02120206U/ja
H01J17/00—Gas-filled discharge tubes with solid cathode
H01J17/02—Details
H01J17/04—Electrodes; Screens
H01J17/06—Cathodes
H01J17/066—Cold cathodes
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
H01J1/32—Secondary-electron-emitting electrodes
Landscapes
Hand Tools For Fitting Together And Separating, Or Other Hand Tools
(AREA)