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:
Oct. 13, 2009
Filed:
May. 16, 2007
Applicants:
Tetsuo Fuse, Himeji, JP;
Katsumi Shojo, Himeji, JP;
Takayuki Hiraishi, Himeji, JP;
Inventors:
Assignee:
Ushiodenki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 17/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
Flash discharge lamp having an arc tube in which there is a pair of opposed electrodes, a rod-shaped trigger electrode which runs along the outside surface of the arc tube in its lengthwise direction; and a sealed tubular body which jackets the trigger electrode and has a hermetically sealed arrangement containing a metal foil. The trigger electrode has a recessed part on its surface in the vicinity of the metal foil and the recessed part is at least partially filled with the material of which the sealed tubular body is formed.