Title:
SILVER ALLOY FOR OPTICAL DISK REFLECTION FILM
Document Type and Number:
Japanese Patent JP2002235130
Kind Code:
A
Abstract:
To produce a silver alloy which has high reflectivity and high thermal conductivity, simultaneously exhibits good corrosion resistance, and is used as a reflection film for an optical disk corresponding to high recording density.
A silver alloy having a composition (1) containing 1 to 20 mass% Zn, and the balance Ag with inevitable impurities, or a composition (2) containing 1 to 20 mass% Zn and one or more kinds selected from Pd and Au by 0.1 to 15 mass%, and the balance Ag with inevitable impurities is used as a target to deposit an optical disk reflection film.
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Inventors:
SHIMIZU JUICHI
NAKAI TSUKASA
NAKAI TSUKASA
Application Number:
JP2001027864A
Publication Date:
August 23, 2002
Filing Date:
February 05, 2001
Export Citation:
Assignee:
SUMITOMO METAL MINING CO
International Classes:
C23C14/06; C22C5/06; C23C14/14; C23C14/34; G11B7/258; G11B7/259; G11B7/2595; G11B7/26; (IPC1-7): C22C5/06; C23C14/06; C23C14/14; C23C14/34; G11B7/24; G11B7/26
Attorney, Agent or Firm:
Kamoda Asao
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