Method of forming conductive layer including removal of native oxide

A method of forming a conductive layr includes the steps of performing dry etching of a surface of a substrate in a first chamber maintained in a nonoxidizing atmosphere to remove a natural oxide from the surface of the substrate, transferring the substrate from the first chamber to a second chamber...

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Hauptverfasser: NARITA, TOMONORI
Format: Patent
Sprache:eng
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Zusammenfassung:A method of forming a conductive layr includes the steps of performing dry etching of a surface of a substrate in a first chamber maintained in a nonoxidizing atmosphere to remove a natural oxide from the surface of the substrate, transferring the substrate from the first chamber to a second chamber while the nonoxidizing atmosphere is maintained, and forming a refractory metal film on the surface of the substrate by low-pressure CVD in the second chamber.