Metal line having an increased resistance to electromigration along an interface of a dielectric barrier layer by implanting material into the metal line
During the formation of a metallization layer of a semiconductor device, a cap layer is formed above a metal line and subsequently an implantation process is performed so as to modify the metal in the vicinity of the interface between the cap layer and the metal line. Consequently, an improved behav...
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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
27.02.2007
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Online Access | Get full text |
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Abstract | During the formation of a metallization layer of a semiconductor device, a cap layer is formed above a metal line and subsequently an implantation process is performed so as to modify the metal in the vicinity of the interface between the cap layer and the metal line. Consequently, an improved behavior in view of electromigration of the metal line may be obtained, thereby increasing device reliability. |
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AbstractList | During the formation of a metallization layer of a semiconductor device, a cap layer is formed above a metal line and subsequently an implantation process is performed so as to modify the metal in the vicinity of the interface between the cap layer and the metal line. Consequently, an improved behavior in view of electromigration of the metal line may be obtained, thereby increasing device reliability. |
Author | Huebler, Peter Engelmann, Hans-Juergen Zschech, Ehrenfried |
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References | (WO 01/97283) 20011200 Tao et al. (6023100) 20000200 (WO 01/08213) 20010200 |
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Title | Metal line having an increased resistance to electromigration along an interface of a dielectric barrier layer by implanting material into the metal line |
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