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:
Apr. 18, 2006
Filed:
May. 04, 2005
Taro Kaneko, Minato-ku, JP;
Takuya Anzawa, Minato-ku, JP;
Taro Kaneko, Minato-ku, JP;
Takuya Anzawa, Minato-ku, JP;
NEC Corporation, , JP;
Abstract
An optical waveguide device includes a substrate, a metal layer arranged on the substrate, at least claddings arranged on the metal layer and in the claddings dents are formed, at least cores arranged in the claddings, whose end faces are exposed on the sides of the dents, for transmitting lights, optically non-transmissive material coating the inside faces of the dents except the sides on which the end faces of the cores are exposed, at least light receiving elements for receiving lights emitted from the end faces of the cores and inputting the lights into light receiving faces of the light receiving elements.