Title:
ELECTRICALLY CONDUCTIVE COMPOSITION, METHOD FOR PRODUCING CONDUCTOR, AND METHOD FOR FORMING WIRING OF ELECTRONIC COMPONENT
Document Type and Number:
WIPO Patent Application WO/2018/198986
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an electrically conductive composition having excellent adhesion to a substrate and electrical conductivity. Provided, among others, is an electrically conductive composition containing a copper powder, cuprous oxide, a lead-free glass frit and a carboxylic acid-based additive, wherein: the cuprous oxide is contained at a quantity of 5.5-25 parts by mass relative to 100 parts by mass of the copper powder; the lead-free glass frit contains a zinc borosilicate-based glass frit and a vanadium-zinc-based glass frit; the zinc borosilicate-based glass frit contains boron oxide, silicon oxide, zinc oxide and other arbitrary components, and the top three oxide components in terms of content are boron oxide, silicon oxide and zinc oxide; the vanadium-zinc-based glass frit contains vanadium oxide, zinc oxide and other arbitrary components, and the top two oxide components in terms of content are vanadium oxide and zinc oxide; and the carboxylic acid-based additive is contained at a quantity of 0.1-5.0 parts by mass relative to 100 parts by mass of the copper powder.
Inventors:
AWAGAKUBO SHINGO (JP)
KAWAKUBO KATSUHIRO (JP)
KAWAKUBO KATSUHIRO (JP)
Application Number:
PCT/JP2018/016337
Publication Date:
November 01, 2018
Filing Date:
April 20, 2018
Export Citation:
Assignee:
SUMITOMO METAL MINING CO (JP)
International Classes:
H01B1/16; H01B1/00; H01B1/22; H01B13/00; H05K1/09; H05K3/12
Foreign References:
| JP2015144126A | 2015-08-06 | |||
| JP2015168587A | 2015-09-28 | |||
| JP2016213284A | 2016-12-15 | |||
| JP2017199543A | 2017-11-02 | |||
| JP2017199544A | 2017-11-02 |
Attorney, Agent or Firm:
NISHI, Kazuya et al. (JP)
Download PDF: