发明申请
US20130105818A1 MOSFET WITH THIN SEMICONDUCTOR CHANNEL AND EMBEDDED STRESSOR WITH ENHANCED JUNCTION ISOLATION AND METHOD OF FABRICATION
有权
具有半导体通道的MOSFET和具有增强结隔离的嵌入式压电器和制造方法
- 专利标题: MOSFET WITH THIN SEMICONDUCTOR CHANNEL AND EMBEDDED STRESSOR WITH ENHANCED JUNCTION ISOLATION AND METHOD OF FABRICATION
- 专利标题(中): 具有半导体通道的MOSFET和具有增强结隔离的嵌入式压电器和制造方法
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申请号: US13283308申请日: 2011-10-27
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公开(公告)号: US20130105818A1公开(公告)日: 2013-05-02
- 发明人: Kangguo Cheng , Bruce B. Doris , Ali Khakifirooz , Pranita Kulkarni
- 申请人: Kangguo Cheng , Bruce B. Doris , Ali Khakifirooz , Pranita Kulkarni
- 申请人地址: US NY Armonk
- 专利权人: International Business Machines Corporation
- 当前专利权人: International Business Machines Corporation
- 当前专利权人地址: US NY Armonk
- 主分类号: H01L29/78
- IPC分类号: H01L29/78 ; H01L21/336
摘要:
A field effect transistor structure that uses thin semiconductor on insulator channel to control the electrostatic integrity of the device. Embedded stressors are epitaxially grown in the source/drain area from a template in the silicon substrate through an opening made in the buried oxide in the source/drain region. In addition, a dielectric layer is formed between the embedded stressor and the semiconductor region under the buried oxide layer, which is located directly beneath the channel to suppress junction capacitance and leakage.
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