High pressure sodium vapor lamp having improved monolithic alumina arc tube
A high pressure sodium vapor lamp contains a monolithic arc tube, the ends of which have a smaller inside diameter than has the body of the arc tube. Current-supply metal members are directly sealed in the ends of the arc tube.
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A high pressure sodium vapor lamp contains a monolithic arc tube, the ends of which have a smaller inside diameter than has the body of the arc tube. Current-supply metal members are directly sealed in the ends of the arc tube. |
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