Metal halide lamp with adhesive layer sealing molybdenum/vandium alloy leadthrough
AssigneeOsram Gesellschaft Mit Beschraenkter Haftung
InventorsRoland Hüttinger, Stefan Jüngst, Khanh Pham Gia, Steffen Walter
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Abstract
The invention relates to a metal halide lamp comprising a ceramic discharge vessel (10), characterized in that an MoV leadthrough is connected to a PCA element (Al2O3) by means of a specific adhesive layer containing Al and Mo.
Claims6
A metal halide lamp, which comprises a light-permeable ceramic discharge vessel consisting of Al2O3 (PCA), leadthroughs protruding into the discharge vessel through openings at its ends, each leadthrough manufactured to at least partially include an MoV part which comprises molybdenum/vanadium alloy, and bearing an electrode, the leadthrough being sealed off in the opening, wherein the MoV part of the leadthrough is sealed off in a PCA part via an adhesive layer, which adhesive layer comprises both Al and Mo.
Dependencies are inferred from the claim text.