Priority date (The priority date 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 date listed.)
Publication of NL288820ApublicationCriticalpatent/NL288820A/xx
H01J61/067—Main electrodes for low-pressure discharge lamps
H01J61/0675—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
H01J61/0677—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J61/00—Gas-discharge or vapour-discharge lamps
H01J61/02—Details
H01J61/54—Igniting arrangements, e.g. promoting ionisation for starting