发明授权
US09070711B2 Methods of forming cap layers for semiconductor devices with self-aligned contact elements and the resulting devices
有权
形成具有自对准接触元件的半导体器件的盖层以及所得到的器件的方法
- 专利标题: Methods of forming cap layers for semiconductor devices with self-aligned contact elements and the resulting devices
- 专利标题(中): 形成具有自对准接触元件的半导体器件的盖层以及所得到的器件的方法
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申请号: US13957991申请日: 2013-08-02
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公开(公告)号: US09070711B2公开(公告)日: 2015-06-30
- 发明人: Ruilong Xie , Xiuyu Cai , Larry Zhao
- 申请人: GLOBALFOUNDRIES Inc.
- 申请人地址: KY Grand Cayman
- 专利权人: GLOBALFOUNDRIES Inc.
- 当前专利权人: GLOBALFOUNDRIES Inc.
- 当前专利权人地址: KY Grand Cayman
- 代理机构: Amerson Law Firm, PLLC
- 主分类号: H01L29/66
- IPC分类号: H01L29/66 ; H01L29/51
摘要:
One method disclosed herein includes forming an etch stop layer above recessed sidewall spacers and a recessed replacement gate structure and, with the etch stop layer in position, forming a self-aligned contact that is conductively coupled to the source/drain region after forming the self-aligned contact. A device disclosed herein includes an etch stop layer that is positioned above a recessed replacement gate structure and recessed sidewall spacers, wherein the etch stop layer defines an etch stop recess that contains a layer of insulating material positioned therein. The device further includes a self-aligned contact.
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