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:
Apr. 16, 2002
Filed:
Jan. 27, 2000
Applicant:
Inventors:
Assignee:
Ushiodenki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/716 ; H01J 6/500 ; H01J 1/100 ;
U.S. Cl.
CPC ...
H01J 1/716 ; H01J 6/500 ; H01J 1/100 ;
Abstract
A dielectric barrier discharge lamp with a translucent part made of silica glass which contains OH radicals and in which damage of the silica glass by UV radiation can be suppressed and a sufficient amount of UV radiation can be obtained in a dielectric barrier discharge lamp, in which a silica glass discharge vessel is filled with a discharge gas which forms excimer molecules by a dielectric barrier discharge and which is at least partially provided with a translucent part, by the translucent part having a ratio of non-hydrogen bonding OH radicals to the total number of OH radicals which is less than or equal to 0.36.