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. 07, 1999
Filed:
Jul. 30, 1997
Applicant:
Inventors:
Ryoko Yoshimura, Hitachinaka, JP;
Makoto Hikita, Mito, JP;
Satoru Tomaru, Mito, JP;
Saburo Imamura, Mito, JP;
Mitsuo Usui, Tokyo, JP;
Kosuke Katsura, Hachioaji, JP;
Assignee:
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385 31 ; 385 14 ; 385 24 ; 385 38 ; 385 39 ; 385 44 ; 385 47 ; 385 48 ; 385 49 ; 385141 ; 385143 ; 385145 ; 385123 ;
Abstract
An optical waveguide of an optical deflector comprising a planar optical waveguide or an optical fiber type optical waveguide is cut while perpendicularly pressing a blade having a blade tip with an angle of inclination against the optical waveguide at a desired location thereof to form an oblique end face serviceable as an oblique end face mirror.