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.:

US 7321703 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 22, 2008

Filed:

Jun. 17, 2005
Applicants:

Masashi Fukuyama, Inuyama, JP;

Yasunori Iwasaki, Nishikasugai-Gun, JP;

Akiyoshi Ide, Kasugai, JP;

Inventors:

Masashi Fukuyama, Inuyama, JP;

Yasunori Iwasaki, Nishikasugai-Gun, JP;

Akiyoshi Ide, Kasugai, JP;

Assignee:

NGK Insulators, Ltd., Nagoya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optical device includes an optical fiber having a core and a cladding, a slit extending from the upper surface of the optical fiber into a glass substrate, a filter member inserted in the slit, and a PD array for detecting divided light. A first high-polymer gel material fills a gap between the slit and a filter member within the slit. A second high-polymer gel material is interposed between an optical fiber array and the PD array and disposed on an optical path of the light divided by the filter member.


Find Patent Forward Citations

Fukuyama, Masashi. (2008). Optical device (U.S. Patent No. 7321703). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7321703

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