Silver ink for low-temperature calcination

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United States of America

PATENT NO 12163034
APP PUB NO 20210324218A1
SERIAL NO

17272070

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Abstract

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A silver ink including silver particles and a protective agent containing at least one amine compound dispersed in a dispersion medium containing, as a main solvent, a solvent having a vapor pressure at 20° C. of 40 mmHg or less and a vapor pressure at 70° C. of 0.09 mmHg or more, in an amount of 80% or more on a mass basis relative to the total dispersion medium. The amine compound has a mass average molecular weight of 115 or less, and the total amount of the amine compound is 1 part by weight or more and 14 parts by weight or less per 100 parts by weight of the silver particles. The silver ink has a moisture content of 500 ppm or more and 50,000 ppm or less and enables a practical metal film to be formed even through calcination at a low temperature of 70° C. or less.

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Patent Owner(s)

Patent OwnerAddress
TANAKA KIKINZOKU KOGYO K KCHIYODA-KU TOKYO 100-6422

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kasuga, Masato Tsukuba, JP 6 72
Koshiji, Kenjiro Tsukuba, JP 3 0
Kubo, Hitoshi Tsukuba, JP 23 127
Makita, Yuichi Tsukuba, JP 11 33
Nakamura, Noriaki Tsukuba, JP 24 127
Ohshima, Yuusuke Tsukuba, JP 14 7
Sato, Hiroki Tsukuba, JP 369 3638

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