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    • 1. 发明申请
    • Semiconductor Device
    • 半导体器件
    • US20140197376A1
    • 2014-07-17
    • US13812504
    • 2012-10-12
    • Xiaolong MaHuaxiang YinSen XuHuilong Zhu
    • Xiaolong MaHuaxiang YinSen XuHuilong Zhu
    • H01L29/775
    • H01L29/775H01L29/161H01L29/165H01L29/517H01L29/518H01L29/66431H01L29/66545H01L29/7786
    • The present invention discloses a semiconductor device, which comprises a substrate, a buffer layer on the substrate, an inversely doped isolation layer on the buffer layer, a barrier layer on the inversely doped isolation layer, a channel layer on the barrier layer, a gate stack structure on the channel layer, and source and drain regions at both sides of the gate stack structure, characterized in that the buffer layer and/or the barrier layer and/or the inversely doped isolation layer are formed of SiGe alloys or SiGeSn alloys, and the channel layer is formed of a GeSn alloy. The semiconductor device according to the present invention uses a quantum well structure of SiGe/GeSn/SiGe to restrict transportation of carriers, and it introduces a stress through lattice mis-match to greatly increase the carrier mobility, thus improving the device driving capability so as to be adapted to high-speed and high-frequency application.
    • 本发明公开了一种半导体器件,其包括衬底,衬底上的缓冲层,缓冲层上的反掺杂隔离层,反掺杂隔离层上的阻挡层,阻挡层上的沟道层,栅极 沟道层上的堆叠结构以及栅极堆叠结构两侧的源极和漏极区域,其特征在于缓冲层和/或势垒层和/或反向掺杂隔离层由SiGe合金或SiGeSn合金形成, 并且沟道层由GeSn合金形成。 根据本发明的半导体器件使用SiGe / GeSn / SiGe的量子阱结构来限制载流子的传输,并且通过晶格失配引入应力以大大增加载流子迁移率,从而提高器件驱动能力,从而 适应高速高频应用。
    • 2. 发明授权
    • Semiconductor device
    • 半导体器件
    • US08796744B1
    • 2014-08-05
    • US13812504
    • 2012-10-12
    • Xiaolong MaHuaxiang YinSen XuHuilong Zhu
    • Xiaolong MaHuaxiang YinSen XuHuilong Zhu
    • H01L27/148H01L29/768H01L29/775
    • H01L29/775H01L29/161H01L29/165H01L29/517H01L29/518H01L29/66431H01L29/66545H01L29/7786
    • The present invention discloses a semiconductor device, which comprises a substrate, a buffer layer on the substrate, an inversely doped isolation layer on the buffer layer, a barrier layer on the inversely doped isolation layer, a channel layer on the barrier layer, a gate stack structure on the channel layer, and source and drain regions at both sides of the gate stack structure, characterized in that the buffer layer and/or the barrier layer and/or the inversely doped isolation layer are formed of SiGe alloys or SiGeSn alloys, and the channel layer is formed of a GeSn alloy. The semiconductor device according to the present invention uses a quantum well structure of SiGe/GeSn/SiGe to restrict transportation of carriers, and it introduces a stress through lattice mis-match to greatly increase the carrier mobility, thus improving the device driving capability so as to be adapted to high-speed and high-frequency application.
    • 本发明公开了一种半导体器件,其包括衬底,衬底上的缓冲层,缓冲层上的反掺杂隔离层,反掺杂隔离层上的阻挡层,阻挡层上的沟道层,栅极 沟道层上的堆叠结构以及栅极堆叠结构两侧的源极和漏极区域,其特征在于缓冲层和/或势垒层和/或反向掺杂隔离层由SiGe合金或SiGeSn合金形成, 并且沟道层由GeSn合金形成。 根据本发明的半导体器件使用SiGe / GeSn / SiGe的量子阱结构来限制载流子的传输,并且通过晶格失配引入应力以大大增加载流子迁移率,从而提高器件驱动能力,从而 适应高速高频应用。