Sputtering Target of Sintered Ti-Nb Based Oxide, Thin Film of Ti-Nb Based Oxide, and Method of Producing The Thin Film
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app pub date -
Sep 24, 2013
filing date -
Mar 27, 2009
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Abandoned
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Abstract
A sputtering target of sintered Ti—Nb based oxide is provided. The sputtering target consists of titanium (Ti), niobium (Nb), and remainder being oxygen and unavoidable impurities, and the atomic ratio of Ti and Nb is 0.39≦(Nb/(Ti+Nb))≦0.79. The sputtering target of sintered Ti—Nb based oxide has a high refractive index and a low extinction coefficient. Also provided is a thin film of Ti—Nb based oxide obtained by using the foregoing target, which enables high-rate deposition. The thin film has superior transmittance, is subject to minimal reduction and variation of reflectivity, and is useful as an interference or protective film of an optical information recording medium, or as a part of a constituent layer of an optical recording medium. The thin film can also be applied to a glass substrate; that is, it can be used as a heat reflecting or antireflection film, or an interference filter.
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Patent Owner(s)
Patent Owner | Address | |
---|---|---|
JX NIPPON MINING & METALS CORPORATION | TOKYO |
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Takami, Hideo | Ibaraki, JP | 42 | 261 |
Yahagi, Masataka | Ibaraki, JP | 42 | 360 |
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