LIGHT EMITTING CONTAINER FOR HIGH-PRESSURE DISCHARGE LAMP AND MANUFACTURING METHOD THEREOF

摘要

A vessel according to the present invention is made of a transparent or translucent material; and comprises a main portion and end portions which are integrated into the main portion, respectively. At least a central area of the main portion has a thickness smaller than at the respective end portions and at the boundary areas of the respective end portions and the main portion. An inner diameter of the respective end portions is not more than about 2 mm.