Title:
SN PARTICLES, CONDUCTIVE COMPOSITION USING THE SAME, AND METHOD FOR PRODUCING SN PARTICLES
Document Type and Number:
WIPO Patent Application WO/2020/158685
Kind Code:
A1
Abstract:
The Sn particles of the present invention contain greater than or equal to 40 mass% of Sn and less than or equal to 0.55 mass% of oxygen (O), and have a ratio (mass%・g/m2) of oxygen content (mass%) to BET specific surface area (m2/g) of less than or equal to 0.40. The Sn particles preferably include 0.1-4.0 mass%, inclusive, of Ag, and 0.1-1.0 mass%, inclusive, of Cu. The Sn particles also preferably contain greater than or equal to 0.05 mass% of oxygen. The BET specific surface area of the Sn particles is preferably greater than or equal to 1 m2/g. The Sn particles are preferably spherical. The present invention also pertains to a preferable method for producing the Sn particles.
Inventors:
HATTORI TAKASHI (JP)
MATSUYAMA TOSHIKAZU (JP)
OTA KOYU (JP)
MATSUYAMA TOSHIKAZU (JP)
OTA KOYU (JP)
Application Number:
PCT/JP2020/002835
Publication Date:
August 06, 2020
Filing Date:
January 27, 2020
Export Citation:
Assignee:
MITSUI MINING & SMELTING CO (JP)
International Classes:
B22F1/00; B22F1/16; B22F9/14; C22C13/00; H01B1/00; H01B1/02; H01B1/22; H01B5/00; H01B13/00
Foreign References:
| JP2001332254A | 2001-11-30 | |||
| JP2013004404A | 2013-01-07 | |||
| JP2008106327A | 2008-05-08 | |||
| JP2013004498A | 2013-01-07 | |||
| JPH08246010A | 1996-09-24 | |||
| JP2006274399A | 2006-10-12 |
Attorney, Agent or Firm:
SHOWA INTERNATIONAL PATENT FIRM (JP)
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