Title:
SILVER POWDER
Document Type and Number:
WIPO Patent Application WO/2014/077043
Kind Code:
A1
Abstract:
The present invention relates to a silver powder comprising silver nanoparticles each having a particle diameter of the nano-meter order (1 to 100 nm), and provides a novel silver powder having an excellent low-temperature sintering property.
Proposed is a silver powder having a D50 value of 60 to 150 nm as determined by the image analysis of a scanning electron microscope (SEM) image, having a carbon (C) content of less than 0.40 wt% as determined in accordance with JIS Z 2615 (a method for quantitating carbon in a metallic material - general), and comprising truly-spherical or almost-spherical silver powder particles.
Inventors:
MIYANOHARA KEISUKE (JP)
MATSUYAMA TOSHIKAZU (JP)
MATSUYAMA TOSHIKAZU (JP)
Application Number:
PCT/JP2013/076687
Publication Date:
May 22, 2014
Filing Date:
October 01, 2013
Export Citation:
Assignee:
MITSUI MINING & SMELTING CO (JP)
International Classes:
B22F1/00; B22F1/054; C22C5/06; H01B1/00; H01B1/22; H01B5/00; B22F9/24
Domestic Patent References:
| WO2006126614A1 | 2006-11-30 | |||
| WO2007037440A1 | 2007-04-05 | |||
| WO2008013274A1 | 2008-01-31 |
Foreign References:
| JP2011021255A | 2011-02-03 | |||
| JP2012077372A | 2012-04-19 | |||
| JP2013139589A | 2013-07-18 |
Attorney, Agent or Firm:
TAKEUCHI, ICHIZAWA & ASSOCIATES (JP)
Patent business corporation Takeuchi and an Ichizawa international patent firm (JP)
Patent business corporation Takeuchi and an Ichizawa international patent firm (JP)
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