发明名称 Structures and methods to enhance Cu interconnect electromigration (EM) performance
摘要 The invention generally relates to semiconductor devices, and more particularly to structures and methods for enhancing electromigration (EM) performance in interconnects. A method includes forming an interconnect, forming a cap on the interconnect, and forming a plurality of holes in the cap to improve electromigration performance of the interconnect.
申请公布号 US7981771(B2) 申请公布日期 2011.07.19
申请号 US20080132806 申请日期 2008.06.04
申请人 INTERNATIONAL BUSINESS MACHINES CORPORATION 发明人 LI BAOZHEN
分类号 H01L21/326 主分类号 H01L21/326
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