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:
Aug. 21, 1990
Filed:
May. 19, 1989
Applicant:
Inventor:
Gerd Steinfuhrer, Bovenden, DE;
Assignee:
Lambda-Physik Forschungs-und Entwicklungs GmbH, Gottingen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372 86 ; 372 87 ; 372 55 ;
Abstract
A preionization means for a gas-discharge laser, such as an excimer laser, comprises a stirrup member 26 and a preionization strip 20 secured thereto. To obtain the longest possible life of the laser with economical material use the preionization strip 20 is made from a different material from the stirrup member 26.