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:
Dec. 14, 1999
Filed:
Jun. 10, 1997
Applicant:
Inventors:
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359573 ; 359576 ; 359578 ; 385 37 ;
Abstract
An optical functional element including two diffraction gratings having metal films formed on their surfaces, which are arranged to oppose each other to form a photonic band, and an optical functional film interposed between these diffraction gratings, the optical functional film consisting of a polymer containing an optical functional material, such as a nonlinear optical material and electro-optic material, dispersed in the polymer.