Au—Ga—In brazing material

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United States of America Patent

PATENT NO 9604317
APP PUB NO 20140356226A1
SERIAL NO

14460904

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Abstract

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A brazing material which can be melted at a suitable temperature at which damage is not given to a device inside a package upon sealing, and besides the brazing material is not remelted, e.g., upon mounting to a board, and which has a low temperature difference between a liquidus and a solidus. The brazing material is made of a Au—Ga—In ternary alloy, wherein weight concentrations of the elements lie within a region of a polygon with a point A (Au: 90%, Ga: 10%, In: 0%), a point B (Au: 70%, Ga: 30%, In: 0%), a point C (Au: 60%, Ga: 0%, In: 40%) and a point D (Au: 80%, Ga: 0%, In: 20%) as vertexes (excluding lines on which In and Ga become 0%), in a Au—Ga—In ternary phase diagram.

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Patent Owner(s)

Patent OwnerAddress
TANAKA KIKINZOKU KOGYO K K7-3 MARUNOUCHI 2-CHOME CHIYODA-KU TOKYO 1006422 ?1006422

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miyazaki, Kenichi Kanagawa, JP 81 736
Shimada, Tomohiro Kanagawa, JP 21 73
Taniguchi, Hiroyasu Kanagawa, JP 13 74

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