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:
Sep. 30, 2003
Filed:
Sep. 18, 2000
Komatsu Ltd., Tokyo, JP;
Abstract
A discharge electrode for a laser device which can cause stable main discharge to occur is provided. To this end, the discharge electrode includes a cathode base ( ) made of an insulating material for sealing up a chamber opening ( ) provided in a laser chamber ( ) for containing laser gases, a cathode ( ) attached to the cathode base ( ) with a bottom surface ( A) of the cathode ( ) in contact therewith, and a plurality of high-voltage feeder rods ( ) disposed in a longitudinal direction, penetrating through the cathode base ( ) from an outside of the laser chamber ( ) which supplies a high-voltage current to the cathode ( ), in which an O-ring groove ( ) for sealing in the laser gases is formed on the bottom surface of the cathode ( ) to surround a plurality of holes ( ) for fixing the high-voltage feeder rods ( ) disposed on the bottom surface of the cathode ( ).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile