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:
Nov. 05, 2013
Filed:
May. 07, 2008
Applicants:
Jean-paul Boudou, Chaville, FR;
Patrick Curmi, Clamart, FR;
Inventors:
Jean-Paul Boudou, Chaville, FR;
Patrick Curmi, Clamart, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01C 3/00 (2006.01); C01B 31/00 (2006.01); B01J 3/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
Method to produce diamonds containing Nitrogen-Vacancy centers from diamonds grown by a high pressure and high temperature process and containing isolated substitutional nitrogen, comprising: —Irradiating (12) said diamonds by an electron beam such that the irradiation dose is comprised between 10and 10electrons per square centimeter; —annealing (14) the irradiated diamonds in vacuum or in a inert atmosphere at a temperature above 700° C. and for at least 1 hour; characterized in that said electron beam has an acceleration energy above 7 MeV.