PROCESS FOR ASSEMBLING A CATHODE FOR A CATHODE-RAY TUBE

PROCESS FOR ASSEMBLING A CATHODE FOR A CATHODE-RAY TUBE

Process for assembling a cathode for electron gun comprising a body 1 of emissive material, a cup 13 into which the body of emissive material is inserted, a substantially cylindrical metal skirt 2, the said process comprising the following successive steps: insertion of the cup into one of the open...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ADAMSKI, JEAN-REMY, RICAUD, JEAN-LUC, PRUVOST, JEAN-CLAUDE, NIZERY, FRANCOIS
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
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Beschreibung
Zusammenfassung:Process for assembling a cathode for electron gun comprising a body 1 of emissive material, a cup 13 into which the body of emissive material is inserted, a substantially cylindrical metal skirt 2, the said process comprising the following successive steps: insertion of the cup into one of the open ends of the metal skirt welding of the cup to the skirt crimping of the body/cup/skirt assembly by lateral squeezing at the level of the weld zone in such a way as to cause an indent-like deformation 24 of the lateral face of the body.