发明授权
- 专利标题: Semiconductor device with a dynamic gate-drain capacitance
- 专利标题(中): 具有动态栅极 - 漏极电容的半导体器件
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申请号: US13614479申请日: 2012-09-13
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公开(公告)号: US08829584B2公开(公告)日: 2014-09-09
- 发明人: Anton Mauder , Hans-Joachim Schulze , Carolin Tolksdorf , Winfried Kaindl , Armin Willmeroth
- 申请人: Anton Mauder , Hans-Joachim Schulze , Carolin Tolksdorf , Winfried Kaindl , Armin Willmeroth
- 申请人地址: AT Villach
- 专利权人: Infineon Technologies Austria AG
- 当前专利权人: Infineon Technologies Austria AG
- 当前专利权人地址: AT Villach
- 代理机构: Dicke, Billig & Czaja, PLLC
- 主分类号: H01L27/07
- IPC分类号: H01L27/07
摘要:
A semiconductor device with a dynamic gate drain capacitance. One embodiment provides a semiconductor device. The device includes a semiconductor substrate, a field effect transistor structure including a source region, a first body region, a drain region, a gate electrode structure and a gate insulating layer. The gate insulating layer is arranged between the gate electrode structure and the body region. The gate electrode structure and the drain region partially form a capacitor structure including a gate-drain capacitance configured to dynamically change with varying reverse voltages applied between the source and drain regions. The gate-drain capacitance includes at least one local maximum at a given threshold or a plateau-like course at given reverse voltage.
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