OXIDIZED ELECTRODES AS OXYGEN DISPENSERS IN METAL HALIDE LAMPS

OXIDIZED ELECTRODES AS OXYGEN DISPENSERS IN METAL HALIDE LAMPS

An electrode for dosing oxygen into a metal halide lamp, where the electrode supplies oxygen during lamp operation in an amount effective to maintain a wall cleaning tungsten halogen chemical cycle. Use of the oxygen dosing electrode increases the lumen maintenance of the lamp to 80% or higher at 60...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HORVATH PETER, UGROSDY LASZLO, SEBOK SANDOR, BOROCZKI AGOSTON, PETER AKOS
Format: Patent
Sprache:eng
Schlagworte:
APPARATUS THEREFOR
BASIC ELECTRIC ELEMENTS
CHEMISTRY
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
ELECTROFORMING
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
METALLURGY
PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS
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Beschreibung
Zusammenfassung:An electrode for dosing oxygen into a metal halide lamp, where the electrode supplies oxygen during lamp operation in an amount effective to maintain a wall cleaning tungsten halogen chemical cycle. Use of the oxygen dosing electrode increases the lumen maintenance of the lamp to 80% or higher at 6000 hours. A method for making an oxidized electrode for use as an oxygen dispenser into the discharge vessel of a metal halide lamp is also provided.