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 BE539143ApublicationCriticalpatent/BE539143A/xx
H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
H01J9/02—Manufacture of electrodes or electrode systems
H01J9/14—Manufacture of electrodes or electrode systems of non-emitting electrodes
B—PERFORMING OPERATIONS; TRANSPORTING
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
B23K11/00—Resistance welding; Severing by resistance heating
B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
B23K11/008—Manufacturing of metallic grids or mats by spot welding
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J2893/00—Discharge tubes and lamps
H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
H01J2893/0012—Constructional arrangements
H01J2893/0019—Chemical composition and manufacture