SPUTTERING DEVICE
PURPOSE:To deposit a material having uniform composition by means of sputtering by providing plural targets mutually forming angles of inclination, respectively, with a substrate and other targets. CONSTITUTION:Plural targets are provided to the inside of a vacuum tank so that they mutually form ang...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE:To deposit a material having uniform composition by means of sputtering by providing plural targets mutually forming angles of inclination, respectively, with a substrate and other targets. CONSTITUTION:Plural targets are provided to the inside of a vacuum tank so that they mutually form angles of inclination, respectively, with a substrate and other targets. It is desirable to use, as the targets, alloy ingots prepared by melting the elements constituting the targets and the casting the resulting molten alloy. Further, it is also desirable that every target has a composition consisting of one or more kinds among heavy rare-earth metals (HRE), one or more kinds among light rare-earth metals (LRE), and one or more kinds among transition metals (TM) so that (HRE1-xLREx)yTM1-y is satisfied, where the symbols (x) and (y) stand for >0-0.1- |
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