Applied Materials, Inc.

Chen Gong

Mehul B Naik

He Ren

Yong Cao

Jianxin Lei

Hao Jiang

Wenting Hou

A method of forming an interconnect structure for semiconductor devices is described. The method comprises depositing an etch stop layer on a substrate by physical vapor deposition followed by in situ deposition of a metal layer on the etch stop layer. The in situ deposition comprises flowing a plasma processing gas into the chamber and exciting the plasma processing gas into a plasma to deposit the metal layer on the etch stop layer on the substrate. The substrate is continuously under vacuum and is not exposed to ambient air during the deposition processes.

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Nanjing, China

Chen Gong