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 NL29072CpublicationCriticalpatent/NL29072C/xx
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
H01J1/30—Cold cathodes, e.g. field-emissive cathode
H01J1/304—Field-emissive cathodes
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J35/00—X-ray tubes
H01J35/02—Details
H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
H01J35/08—Anodes; Anti cathodes
H01J35/112—Non-rotating anodes
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J35/00—X-ray tubes
H01J35/02—Details
H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor