The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 12, 2002
Filed:
Oct. 28, 1998
Ushiodenki Kabushiki Kaisha, Tokyo, JP;
Abstract
A short arc lamp with a high lamp sustaining voltage in which there is no crack formation in the corner areas of the faces of shrunken regions of a side tube and of cylindrical retaining bodies for upholding parts of the electrodes, even if the gas pressure is high during operation is obtained, in a short arc lamp in which arc tube has a cathode and an anode disposed opposite one another, and in which the upholding parts of the cathode and anode are inserted and held in cylindrical retaining bodies which are supported in the shrunken regions of side tubes connected to the arc tube, by intermediate layers of metal or ceramic being located between the cylindrical retaining bodies and the shrunken regions, and by the cylindrical retaining bodies and the shrunken regions not being welded to one another into a single part.