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:
Mar. 06, 1990
Filed:
Oct. 11, 1988
Applicant:
Inventors:
Arthur Maitland, St. Andrews, GB;
Clifford R Weatherup, Chelmsford, GB;
Assignee:
EEV Limited, Chelmsford, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372 88 ; 372 56 ; 372 61 ;
Abstract
Laser apparatus including a relatively long cylindrical cathode within a discharge tube containing a buffer gas at a low pressure of less than 1 Torr. By employing a laser constructed according to the invention, it is possible to achieve a plasma which extends along the length of the cathode, which may be up to one meter long.