TANTALUM CARBIDE FILAMENT LAMP AND PROCESS FOR THE PRODUCTION THEREOF
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United States of America Patent
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Issued Date -
Jul 22, 2010
app pub date -
Jun 10, 2008
filing date -
Jun 20, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention provides a filament lamp (1) having a filament (20), wherein the filament comprises tantalum carbide. The filament lamp comprises a lamp base part filament construction (15) which comprises a lamp base part (10) with a base part (11) top and a coil (21) comprising tantalum carbide connected to lead-in connections (23), the lead-in connections extending through the base part. The filament lamp further comprises a lamp bulb (40) connected to the base part top (11), thereby providing a filament enclosure (44), which filament enclosure comprises a gas filling (45). The invention further provides a process for making such a lamp.
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