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:
May. 16, 2006
Filed:
Sep. 26, 2002
Applicants:
Hiroyuki Hayashikawa, Osaka, JP;
Hitoshi Hongu, Hyogo, JP;
Inventors:
Hiroyuki Hayashikawa, Osaka, JP;
Hitoshi Hongu, Hyogo, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/04 (2006.01); H01S 3/22 (2006.01); H01S 3/03 (2006.01);
U.S. Cl.
CPC ...
Abstract
A laser oscillator comprises a discharge tube for exciting laser medium, at least a pair of mirrors disposed along an optical axis of laser light emitted by the laser gas excited inside the discharge tube, a laser gas passage connected with the discharge tube, laser gas circulation means for circulating the laser gas inside the laser gas passage, and heat control means for controlling heat generated in at least one of the mirrors and the laser gas circulation means.