| 摘要 |
Apparatus constructed in accordance with an exemplary embodiment of the invention coats an interior surface of a light bulb (54). It includes a support (52) for positioning a light bulb (54) that includes a light transmitting portion. A fixture positions a deposition material (M) and a shield (112) into a position within an interior region of the light bulb (54) for selectively coating an interior surface (116) of the light transmitting portion of the light bulb (54). A control adjusts a position of the shield (112), moving it into proximity to the bulb's inner surface (116) to control a target region of coating of the deposition material (M) onto the interior surface (116) of said light bulb (54). An energy source (122) applies energy to the deposition material (M) to vaporize the deposition material (M) and thereby coat the target region of the interior surface (116) of said light bulb (54).
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