Arc Tube for a High Intensity Discharge Lamp

An arc tube in a high intensity discharge lamp comprises an arc body comprising a single-phase first ceramic material has a first elemental composition, and the arc body has a sealed chamber. At least two legs are attached to the arc body, and at least one of the legs has a single-phase second ceram...

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Main Authors RAHMANE MOHAMED, CSANYI ISTVAN, VENKATARAMANI VENKAT S, BREWER JAMES A, GRATSON GREGORY M, VARTULI JAMES S, BEWLAY BERNARD P
Format Patent
LanguageEnglish
Published 08.05.2008
Subjects
ARTIFICIAL STONE
BASIC ELECTRIC ELEMENTS
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
LIME, MAGNESIA
METALLURGY
PERFORMING OPERATIONS
REFRACTORIES
SLAG
TRANSPORTING
TREATMENT OF NATURAL STONE
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Summary:An arc tube in a high intensity discharge lamp comprises an arc body comprising a single-phase first ceramic material has a first elemental composition, and the arc body has a sealed chamber. At least two legs are attached to the arc body, and at least one of the legs has a single-phase second ceramic material having a second elemental composition that is different from the first elemental composition. An electrode is positioned within a respective leg, each electrode has a tip positioned within the chamber and the tips of the electrodes are spaced apart forming an arc region there between.
Bibliography:Application Number: US20060556823