Title:
COLLOIDAL SOLUTION OF FINE METAL PARTICLES, ELECTROCONDUCTIVE PASTY MATERIAL, ELECTROCONDUCTIVE INK MATERIAL AND METHOD FOR PRODUCTING THEM
Document Type and Number:
WIPO Patent Application WO/2005/099941
Kind Code:
A1
Abstract:
A colloidal solution of fine metal particles, wherein metal particles having an average particle diameter of less than 10 nm are united or aggregated into particles having an average particle diameter of 10 nm or more and dispersed; a colloidal solution of fine metal particles, wherein a black colloidal solution of fine metal particles has been heat-treated so as to develop a color; a colloidal solution of fine metal particles, which has alloy particles formed by the heat treatment of a mixed colloidal solution having fine particles of two or more different metal; and a metal colloid pigment, an electroconductive paste or electroconductive ink, which comprises the above colloidal solution of fine metal particles as a part thereof or is prepared by the above colloidal solution of fine metal particles.
Inventors:
NAKATANI ISAO (JP)
Application Number:
PCT/JP2005/007739
Publication Date:
October 27, 2005
Filing Date:
April 18, 2005
Export Citation:
Assignee:
NAT INST FOR MATERIALS SCIENCE (JP)
NAKATANI ISAO (JP)
NAKATANI ISAO (JP)
International Classes:
B01J13/00; B22F1/0545; B22F1/148; B22F9/00; B22F9/12; B82B3/00; B82Y20/00; B82Y30/00; B82Y40/00; C09D11/00; C09D11/322; C09D11/52; C09D17/00; H01B1/22; H01B13/00; H05K1/09; (IPC1-7): B22F9/12; B22F9/00; B82B3/00; C09D11/00; H01B1/22; H01B13/00
Foreign References:
| JPH03262504A | 1991-11-22 | |||
| JP2002060805A | 2002-02-28 | |||
| JP2002121606A | 2002-04-26 |
Attorney, Agent or Firm:
Nishizawa, Toshio (11-1 Minami-Aoyama 6-chom, Minato-ku Tokyo, JP)
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