SILVER ALLOY EXCELLENT IN REFLECTANCE/TRANSMITTANCE MAINTAINING CHARACTERISTICS

WIPO Patent Application WO/2006/132417

A1

Disclosed is an alloy as a material for forming a reflective/transmissive film used in display devices, building materials, illuminating devices and the like, which alloy is able to function for a long time without suffering from decrease in reflectance. Specifically disclosed is a silver alloy excellent in reflectance and transmittance which is mainly composed of silver while containing at least one noble metal selected from platinum, palladium, gold, rhodium and iridium as first additional elements. Platinum, palladium and gold are preferable as the first additional elements, and it is further preferable to add at least one element selected from gallium, copper and dysprosium as second additional elements. The total concentration of these additional elements is preferably 0.01-20.0 atom%.

Obata, Tomokazu c/o Tanaka, Kikinzoku Kogyo Isehara Factory K. K. (26 Suzukawa, Isehara-sh, Kanagawa 46, 25911, JP)
Yanagihara, Hiroshi c/o Tanaka, Kikinzoku Kogyo Isehara Factory K. K. (26 Suzukawa, Isehara-sh, Kanagawa 46, 25911, JP)

PCT/JP2006/311720

December 14, 2006

June 12, 2006

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TANAKA KIKINZOKU KOGYO K.K. (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 22, 10064, JP)
Obata, Tomokazu c/o Tanaka, Kikinzoku Kogyo Isehara Factory K. K. (26 Suzukawa, Isehara-sh, Kanagawa 46, 25911, JP)
Yanagihara, Hiroshi c/o Tanaka, Kikinzoku Kogyo Isehara Factory K. K. (26 Suzukawa, Isehara-sh, Kanagawa 46, 25911, JP)

C22C5/06

Tanaka, And Okazaki (Hongo K & K Bldg, 30-10 Hongo 3-chom, Bunkyo-ku Tokyo 33, 11300, JP)

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