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:
Jul. 19, 2011
Filed:
Dec. 17, 2002
Applicants:
Hideaki Page, Palaiseau, FR;
Carlo Sirtori, Paris, FR;
Alfredo DE Rossi, Paris, FR;
Inventors:
Assignee:
Thales, , FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The method of the invention consists of implanting ions into the surface of multilayer optical waveguides, in the highly doped layer, in a defined pattern so as to modify the refractive index of this layer.