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:
Apr. 18, 1995
Filed:
Mar. 19, 1993
Applicant:
Inventors:
Eduard Kugler, Feldkirch, AT;
Roland Pfefferkorn, Feldkirch, AT;
Assignee:
Balzers Aktiengesellschaft, , LI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372 57 ; 359361 ;
Abstract
An optical layer and arrangements with such a layer are proposed which is predominantly of Ta.sub.2 O.sub.5 and having an absorption constant for ultra-violet light less than 0.0075 for light of 308 nm. Such a layer is produced by ion-beam sputtering of a target which target is predominantly made of Ta.sub.2 O.sub.5.