发明名称 |
Accumulation type FinFET, circuits and fabrication method thereof |
摘要 |
This description relates to a fin field-effect-transistor (FinFET) including a substrate and a fin structure on the substrate. The fin structure includes a channel between a source and a drain, wherein the source, the drain, and the channel have a first type dopant, and the channel comprises at least one of a Ge, SiGe, or III-V semiconductor. The FinFET further includes a gate dielectric layer over the channel and a gate over the gate dielectric layer. The FinFET further includes a nitride spacer on the substrate adjacent the gate and an oxide layer between the nitride spacer and the gate and between the nitride spacer and the substrate. |
申请公布号 |
US8896055(B2) |
申请公布日期 |
2014.11.25 |
申请号 |
US201213585436 |
申请日期 |
2012.08.14 |
申请人 |
Taiwan Semiconductor Manufacturing Company, Ltd. |
发明人 |
Yeh Chih Chieh;Chang Chih-Sheng;Wann Clement Hsingjen |
分类号 |
H01L21/336;H01L27/088;H01L29/78;H01L29/66;H01L21/8234 |
主分类号 |
H01L21/336 |
代理机构 |
Lowe Hauptman & Ham, LLP |
代理人 |
Lowe Hauptman & Ham, LLP |
主权项 |
1. A fin field-effect-transistor (FinFET), comprising:
a substrate; a fin structure on the substrate, the fin structure including a channel between a source and a drain, wherein the source, the drain, and the channel have a first type dopant, and the channel comprises at least one of a Ge, SiGe, or III-V semiconductor; a gate dielectric layer over the channel; a gate over the gate dielectric layer; a nitride spacer on the substrate adjacent the gate; and an oxide layer between the nitride spacer and the gate and between the nitride spacer and the substrate. |
地址 |
TW |