Infrared radiation source
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United States of America Patent
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Issued Date -
Nov 4, 2004
app pub date -
Apr 20, 2004
filing date -
Apr 29, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to an infrared radiation source having at least one electrical heat conductor situated in a long, two-ended casing tube made of quartz glass, the casing tube having at least one elevation made of quartz glass on its wall which faces the at least one heat conductor, which locally reduces the inner diameter of the casing tube. At least one heat conductor is designed as a heating coil. The casing tube has a constant outer diameter in the region of the heating coil, the elevation has a convex shape on its surface facing the heating coil, and the heating coil contacts the elevation only at the highest point of the elevation.
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