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. 28, 2014
Filed:
Mar. 31, 2010
Applicants:
Roger F. Dangel, Rueschlikon, CH;
Folkert Horst, Rueschlikon, CH;
Tobias P. Lamprecht, Berneck, CH;
Bert J. Offrein, Rueschlikon, CH;
Inventors:
Roger F. Dangel, Rueschlikon, CH;
Folkert Horst, Rueschlikon, CH;
Tobias P. Lamprecht, Berneck, CH;
Bert J. Offrein, Rueschlikon, CH;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/10 (2006.01); G02B 6/125 (2006.01); G02B 6/42 (2006.01); G02B 6/138 (2006.01); G02B 6/12 (2006.01);
U.S. Cl.
CPC ...
G02B 6/12002 (2013.01); G02B 2006/12104 (2013.01); G02B 6/125 (2013.01); G02B 6/4224 (2013.01); G02B 6/138 (2013.01);
Abstract
A method for fabricating an optical waveguide includes setting, on a lower cladding of an optical waveguide, a light-reflecting feature and at least one waveguide core distinct from the reflecting feature. An upper cladding is applied that embeds both the light-reflecting feature and the waveguide core.