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:
Jul. 17, 2001
Filed:
Nov. 30, 1999
Optical element, method for producing optical element, and optical system having the optical element
Applicant:
Inventor:
Seitoku Tsukamoto, late of Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/10 ; F21V 9/04 ; B05D 5/06 ;
U.S. Cl.
CPC ...
G02B 1/10 ; F21V 9/04 ; B05D 5/06 ;
Abstract
An optical element has a transparent substrate, an undercoat formed on the substrate, wherein the undercoat comprises dielectric multi-layered films, each film having a thickness in a range of 50 to 100 nm, and a reflective film formed on the undercoat.
Tsukamoto, Seitoku. (2001). Optical element, method for producing optical element, and optical system having the optical element (U.S. Patent No. 6262847). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6262847
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile