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:
Nov. 15, 2011
Filed:
Jul. 23, 2008
Daniel B. Mitchell, Port McNicoll, CA;
Geoffrey G. Harris, Midland, CA;
Douglas J. Brown, Midland, CA;
Daniel B. Mitchell, Port McNicoll, CA;
Geoffrey G. Harris, Midland, CA;
Douglas J. Brown, Midland, CA;
Raytheon Company, Waltham, MA (US);
Abstract
A method involves: determining a percentage by which a thickness of a layer of material, if applied by a selected coating apparatus to a curved surface on a selected optical component having an operating wavelength, would decrease from a central region of the curved surface to an edge region of the curved surface; formulating a multi-layer optical coating that will provide, in the central region of the curved surface, a specified optical performance characteristic for all radiation within a waveband extending from the operating wavelength to a further wavelength, where the further wavelength decreased by the percentage equals the operating wavelength; and using the selected coating apparatus to form the multi-layer optical coating on the curved surface.