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:
Oct. 14, 2008
Filed:
Oct. 30, 2006
Hirokazu Takeuchi, Otsu, JP;
Nobuo Funabiki, Otsu, JP;
Sotohiro Nakajima, Otsu, JP;
Nippon Electric Glass Co., Ltd., Shiga-ken, JP;
Abstract
An object of the present invention is to very accurately position and align a plurality of optical fibers in each groove of a substrate for an optical fiber array, without leading to inappropriate upsizing and complication of an apparatus and increase in cost. To achieve the object, an optical-fiber aligning partof a substrateis formed, in parallel, with a plurality of groovesat least on the top thereof, the plurality of grooves retaining and aligning a plurality of optical fibersA cross section perpendicular to a longitudinal direction of the groovesis recessed at a center portion of the top in the widthwise direction, and depths A of the groovesprovided at the center portion are shallower than depths A of the groovesprovided at both ends in the widthwise direction.