发明申请
US20080174021A1 SEMICONDUCTOR DEVICES HAVING METAL INTERCONNECTIONS, SEMICONDUCTOR CLUSTER TOOLS USED IN FABRICATION THEREOF AND METHODS OF FABRICATING THE SAME 审中-公开
具有金属互连的半导体器件,其制造中使用的半导体器件工具及其制造方法

SEMICONDUCTOR DEVICES HAVING METAL INTERCONNECTIONS, SEMICONDUCTOR CLUSTER TOOLS USED IN FABRICATION THEREOF AND METHODS OF FABRICATING THE SAME
摘要:
A method of fabricating a semiconductor device is provided. The method includes providing a semiconductor substrate having a conductive pattern and forming an insulating layer on the conductive pattern and the semiconductor substrate. The insulating layer is patterned to form an opening which exposes a portion of the conductive pattern. A preliminary diffusion barrier layer is formed on an inner wall of the opening and a top surface of the insulating layer. Oxygen atoms are supplied onto the preliminary diffusion barrier layer to form a first diffusion barrier layer. A metal layer is formed on the first diffusion barrier layer. The metal layer is formed to fill the opening surrounded by the first diffusion barrier layer. A semiconductor device fabricated by the method and a semiconductor cluster tool used in fabrication of the semiconductor device are also provided.
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