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:
Mar. 27, 2007
Filed:
Mar. 13, 2003
Applicant:
Taro Kaneko, Tokyo, JP;
Inventor:
Taro Kaneko, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
Optical waveguide devicehas waveguidestrip-shaped in the depth direction of the drawing and protruding from peripheral portionA core (not illustrated) is disposed inside waveguideWallto be cut is integrated with waveguideto form one core layer. No unevenness occurs in a cutting line of wallindicated with broken lineAccordingly, high-precision cutting is enabled by cutting wallalong the cutting line.