Legal status (The legal status 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 status listed.)
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
B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
B23K3/04—Heating appliances
B23K3/047—Heating appliances electric
B23K3/0471—Heating appliances electric using resistance rod or bar, e.g. carbon silica
Indirekt heizbare Kathode für eine elektrische Entladungsröhre mit einer emittierenden Stirnfläche und Verfahren zur Herstellung einer derartigen Kathode