发明授权
- 专利标题: Reducing the dielectric constant of a portion of a gate dielectric
- 专利标题(中): 降低栅极电介质的一部分的介电常数
-
申请号: US10877836申请日: 2004-06-24
-
公开(公告)号: US07148099B2公开(公告)日: 2006-12-12
- 发明人: Suman Datta , Jack Kavalieros , Mark L. Doczy , Matthew V. Metz , Justin K. Brask , Robert S. Chau
- 申请人: Suman Datta , Jack Kavalieros , Mark L. Doczy , Matthew V. Metz , Justin K. Brask , Robert S. Chau
- 申请人地址: US CA Santa Clara
- 专利权人: Intel Corporation
- 当前专利权人: Intel Corporation
- 当前专利权人地址: US CA Santa Clara
- 代理机构: Trop, Pruner & Hu, P.C.
- 主分类号: H01L21/8338
- IPC分类号: H01L21/8338
摘要:
In a metal gate replacement process, a cup-shaped gate metal oxide dielectric may have a vertical portion that may be exposed to a silicon ion implantation. As a result of the implantation, the dielectric constant of a vertical portion may be reduced, reducing fringe capacitance.
公开/授权文献
信息查询