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Title:
SOLID GOLD-NICKEL ALLOY NANOPARTICLES AND PRODUCTION METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2013/137469
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide novel solid gold-nickel alloy nanoparticles and a production method thereof. Provided are solid gold-nickel alloy nanoparticles having a particle diameter of 500nm or less. In particular, gold-nickel alloy nanoparticles are provided in which the concentration of nickel in the gold-nickel alloy is 2.0-92.7 wt%, and the main component is a gold-nickel alloy in which gold and nickel are in a nano-level fine mixed state. The gold-nickel alloy particles have as the main component a substitutional solid solution of gold and nickel. These gold-nickel alloy particles are optimally formed by mixing and depositing gold ions, nickel ions, and a substance having reducing characteristics in the thin film fluid occurring between processing surfaces which are arranged facing each other, which can move towards and away from each other, and at least one of which rotates relative to the other.

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Inventors:
MAEKAWA MASAKI (JP)
ARAKI KAZUYA (JP)
HONDA DAISUKE (JP)
ENOMURA MASAKAZU (JP)
Application Number:
PCT/JP2013/057550
Publication Date:
September 19, 2013
Filing Date:
March 15, 2013
Export Citation:
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Assignee:
M TECH CO LTD (JP)
International Classes:
B22F9/24; C22C5/02; C22C19/03; B22F1/054
Foreign References:
JPH10216518A1998-08-18
JP2003226901A2003-08-15
JP2002226926A2002-08-14
JP2008049336A2008-03-06
JP2006063347A2006-03-09
JP2009144250A2009-07-02
JP2011122236A2011-06-23
JP2009289587A2009-12-10
JP2009008393A2009-01-15
JP2009008390A2009-01-15
Other References:
See also references of EP 2826575A4
Attorney, Agent or Firm:
SAMEJIMA TAKENOBU (JP)
Takenobu Sameshima (JP)
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