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Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Publication of ES226532A1publicationCriticalpatent/ES226532A1/es
Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like
(AREA)
Abstract
Método de fabricación de cátodos de calentamiento indirecto par tubos de descarga eléctrica en que el espacio entre el calefactor y el buje del cátodo está rellenado con material aislante fusionado caracterizado por el hecho de que el material aislante es introducido en el referido espacio por sedimentación desde una suspensión.
ES0226532A1955-02-091956-02-06UN MÉTODO DE FABRICACIoN DE CáTODOS DE CALENTAMIENTO INDIRECTO PARA TUBOS DE DESCARGA
ExpiredES226532A1
(es)