Low sag tungsten filaments and their use in lamps
Improved tungsten filaments having good sag resistance and useful in energy efficient, high intensity lamps having a microstructure comprising a large, elongated and interlocking grain structure, methods for producing same and their use in electric lamps. Such filaments have been successfully used i...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | Improved tungsten filaments having good sag resistance and useful in energy efficient, high intensity lamps having a microstructure comprising a large, elongated and interlocking grain structure, methods for producing same and their use in electric lamps. Such filaments have been successfully used in miniature, double end quartz, tungsten-halogen lamps having IR filters. |
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