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:
Feb. 13, 1990
Filed:
Aug. 26, 1987
Applicant:
Inventor:
Walter S Carter, Bracknell, GB;
Assignee:
British Aerospace Public Limited Company, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350395 ; 350397 ; 350164 ; 350166 ;
Abstract
A mirror for a ring laser gyroscope comprising a multi-layer dielectric stack and a layer having an optical thickness of a half wavelength so as to enhance absorption of s-polarized radiation relative to that of p-polarized radiation.