Title:
SILVER PASTE AND JOINED BODY PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2020/004342
Kind Code:
A1
Abstract:
This silver paste contains a silver powder, a fatty acid silver salt, and an aliphatic amine. The silver powder contains first silver particles with a particle size of 100 nm or larger but smaller than 500 nm in a range of 55% to 95% by volume, second silver particles with a particle size of 50 nm or larger but smaller than 100 nm in a range of 5% to 40% by volume, and third silver particles with a particle size of smaller than 50 nm in a range of 5% by volume or smaller.
Inventors:
NUMA TATSUYA (JP)
KATASE TAKUMA (JP)
YASOSHIMA TSUKASA (JP)
SAWADA YOSHINORI (JP)
MASUYAMA KOTARO (JP)
KATASE TAKUMA (JP)
YASOSHIMA TSUKASA (JP)
SAWADA YOSHINORI (JP)
MASUYAMA KOTARO (JP)
Application Number:
PCT/JP2019/024989
Publication Date:
January 02, 2020
Filing Date:
June 24, 2019
Export Citation:
Assignee:
MITSUBISHI MATERIALS CORP (JP)
International Classes:
B22F1/00; B22F7/04; H01B1/22; H01L21/52
Domestic Patent References:
| WO2012133767A1 | 2012-10-04 |
Foreign References:
| JP2010505230A | 2010-02-18 | |||
| JP2015508434A | 2015-03-19 | |||
| JP2016148089A | 2016-08-18 | |||
| JP2018119463A | 2018-08-02 | |||
| JP2019065363A | 2019-04-25 | |||
| JP2019114214A | 2019-07-11 | |||
| JP5872545B2 | 2016-03-01 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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