SHIELD BEAM ELECTRIC BULB AND METHOD OF MANUFACTURE OF SAME
PURPOSE:To provide the electric bulb, which is free from rupture when burning it, by forming an intermetal compound thin film on the lens, feflector and so forth and removing the intermetal compound attached to the fusion bonded portion through mechanical treatment.
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | PURPOSE:To provide the electric bulb, which is free from rupture when burning it, by forming an intermetal compound thin film on the lens, feflector and so forth and removing the intermetal compound attached to the fusion bonded portion through mechanical treatment. |
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