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.

Date of Patent:
Sep. 25, 2012

Filed:

Jun. 20, 2007
Applicants:

Yasuhiko Shimotsuma, Kyoto, JP;

Kiyotaka Miura, Kyoto, JP;

Kazuyuki Hirao, Kyoto, JP;

Mitsuo Kawasaki, Kyoto, JP;

Osamu Kajita, Kyoto, JP;

Takafumi Iwamoto, Kyoto, JP;

Eitaro Yasuda, Kyoto, JP;

Shigeyuki Kimura, Kyoto, JP;

Inventors:

Yasuhiko Shimotsuma, Kyoto, JP;

Kiyotaka Miura, Kyoto, JP;

Kazuyuki Hirao, Kyoto, JP;

Mitsuo Kawasaki, Kyoto, JP;

Osamu Kajita, Kyoto, JP;

Takafumi Iwamoto, Kyoto, JP;

Eitaro Yasuda, Kyoto, JP;

Shigeyuki Kimura, Kyoto, JP;

Assignee:

Kyoto University, Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F 9/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides a nanowire production method that is simpler than conventional nanowire production methods, and that makes it easier to control the size and shape of the nanowires by using a technique completely different from the conventional ones. A powder particle containing a metal element is divided into nanometer-size wires containing the metal element by irradiating a suspension of the powder particles with a femtosecond laser. The present invention also makes it possible to divide the nanometer-size wires thus formed into nanometer-size particles containing the metal element by irradiating further the nanometer-size wires with the femtosecond laser.


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