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:
May. 05, 2009
Filed:
May. 25, 2005
Applicants:
Mikihisa Mizuno, Miyagi, JP;
Yuichi Sasaki, Miyagi, JP;
Makoto Inoue, Miyagi, JP;
Inventors:
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A group of metal magnetic nanoparticles is provided. The metal magnetic nanoparticle includes a core having a noble metal cluster of a diameter of 3 nm or less; and a metal shell, formed to surround the core, having noble metal atoms randomly distributed therein; wherein the metal shell has a noble metal atom content: (number of noble metal atoms)/(number of whole metal atoms)×100 of 1 to 15 at. %.