发明授权
- 专利标题: Low aspect ratio interconnect
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申请号: US16250351申请日: 2019-01-17
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公开(公告)号: US10672707B2公开(公告)日: 2020-06-02
- 发明人: Benjamin D. Briggs , Elbert E. Huang , Raghuveer R. Patlolla , Cornelius Brown Peethala , David L. Rath , Chih-Chao Yang
- 申请人: TESSERA, INC.
- 申请人地址: US CA San Jose
- 专利权人: Tessera, Inc.
- 当前专利权人: Tessera, Inc.
- 当前专利权人地址: US CA San Jose
- 主分类号: H01L23/528
- IPC分类号: H01L23/528 ; H01L23/522 ; H01L23/532 ; H01L21/768
摘要:
A low aspect ratio interconnect is provided and includes a metallization layer, a liner and a metallic interconnect. The metallization layer includes bottommost and uppermost surfaces. The uppermost surface has a maximum post-deposition height from the bottommost surface at first metallization layer portions. The metallization layer defines a trench at second metallization layer portions. The liner includes is disposed to line the trench and includes liner sidewalls that have terminal edges that extend to the maximum post-deposition height and lie coplanar with the uppermost surface at the first metallization layer portions. The metallic interconnect is disposed on the liner to fill a trench remainder and has an uppermost interconnect surface that extends to the maximum post-deposition height and lies coplanar with the uppermost surface at the first metallization layer portions.
公开/授权文献
- US20190148296A1 LOW ASPECT RATIO INTERCONNECT 公开/授权日:2019-05-16
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