Patent ID: 7656093
Filing Date: 2010-02-02
Classification: H01J

Abstract:
1. Discharge lamp, comprising: a light emitting part in which there is a pair of opposed electrodes; hermetically sealed portions which border the opposite ends of the light emitting part and hermetically seal base parts of the electrodes; metal foils each of which is installed in a respective one of the hermetically sealed portions and has an end connected to the base part of a respective one of the electrodes; outer leads, each of which has an end connected to a base part of a respective one of the metal foils and having a base part projecting outward from the respective hermetically sealed portion, wherein the metal foils each have a region with a small width which has a groove-shaped overall configuration with a U-shaped cross section and with which the respective electrode is connected, and of a wide region which borders the region with a small width, and wherein the wide region has: wherein the end groove comprises an end bevel which is angled in a manner gradually reducing the depth thereof in a direction toward the middle, flat region.