METHOD FOR FORMING COPPER FILM

A method for forming a copper film is provided. In the method, a base film that is a titanium nitride film, a tungsten film or a tungsten nitride film is formed along a surface of an insulating film of an object. A copper film is formed on the base film of the object cooled to a temperature of 209 K...

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Bibliographische Detailangaben
Hauptverfasser: SHIMADA Atsushi, HIRASAWA Tatsuo, TOSHIMA Hiroyuki, HATANO Tatsuo, FURUKAWA Shinji
Format: Patent
Sprache:eng
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Zusammenfassung:A method for forming a copper film is provided. In the method, a base film that is a titanium nitride film, a tungsten film or a tungsten nitride film is formed along a surface of an insulating film of an object. A copper film is formed on the base film of the object cooled to a temperature of 209 K or less.