Dual seed semiconductor photodetectors
    2.
    发明授权
    Dual seed semiconductor photodetectors 失效
    双种子半导体光电探测器

    公开(公告)号:US07553687B2

    公开(公告)日:2009-06-30

    申请号:US11477723

    申请日:2006-06-28

    IPC分类号: H01L21/00

    摘要: Dual seed semiconductor photodetectors and methods to fabricate thereof are described. A dual seed semiconductor photodetector is formed directly on an insulating layer on a substrate. The dual seed semiconductor photodetector includes an optical layer formed on a dual seed semiconductor layer. The dual seed semiconductor layer includes a seed layer and a buffer layer. The seed layer of a first material is formed on an insulating layer over a substrate. The buffer layer is formed on the seed layer. Next, an optical layer of a second material is formed on the buffer layer. The buffer layer includes the first material and the second material. In one embodiment, the first material is silicon. In one embodiment, the second material is germanium.

    摘要翻译: 描述了双种子半导体光电探测器及其制造方法。 双种子半导体光电检测器直接形成在基板上的绝缘层上。 双种子半导体光电检测器包括形成在双种子半导体层上的光学层。 双种子半导体层包括种子层和缓冲层。 第一材料的种子层在衬底上的绝缘层上形成。 缓冲层形成在种子层上。 接着,在缓冲层上形成第二材料的光学层。 缓冲层包括第一材料和第二材料。 在一个实施例中,第一材料是硅。 在一个实施例中,第二材料是锗。

    DUAL SEED SEMICONDUCTOR PHOTODETECTORS
    3.
    发明申请
    DUAL SEED SEMICONDUCTOR PHOTODETECTORS 有权
    双重半导体光电二极管

    公开(公告)号:US20090243023A1

    公开(公告)日:2009-10-01

    申请号:US12484936

    申请日:2009-06-15

    IPC分类号: H01L31/105

    摘要: Dual seed semiconductor photodetectors and methods to fabricate thereof are described. A dual seed semiconductor photodetector is formed directly on an insulating layer on a substrate. The dual seed semiconductor photodetector includes an optical layer formed on a dual seed semiconductor layer. The dual seed semiconductor layer includes a seed layer and a buffer layer. The seed layer of a first material is formed on an insulating layer over a substrate. The buffer layer is formed on the seed layer. Next, an optical layer of a second material is formed on the buffer layer. The buffer layer includes the first material and the second material. In one embodiment, the first material is silicon. In one embodiment, the second material is germanium.

    摘要翻译: 描述了双种子半导体光电探测器及其制造方法。 双种子半导体光电检测器直接形成在基板上的绝缘层上。 双种子半导体光电检测器包括形成在双种子半导体层上的光学层。 双种子半导体层包括种子层和缓冲层。 第一材料的种子层在衬底上的绝缘层上形成。 缓冲层形成在种子层上。 接着,在缓冲层上形成第二材料的光学层。 缓冲层包括第一材料和第二材料。 在一个实施例中,第一材料是硅。 在一个实施例中,第二材料是锗。

    Novel schottky barrier metal-germanium contact in metal-germanium-metal photodetectors
    4.
    发明申请
    Novel schottky barrier metal-germanium contact in metal-germanium-metal photodetectors 失效
    金属 - 锗金属光电探测器中的新型肖特基势垒金属 - 锗接触

    公开(公告)号:US20070235824A1

    公开(公告)日:2007-10-11

    申请号:US11394817

    申请日:2006-03-31

    IPC分类号: H01L29/82 H01L27/14

    CPC分类号: H01L31/1085 H01L31/022408

    摘要: Metal-Semiconductor-Metal (“MSM”) photodetectors and methods to fabricate thereof are described. The MSM photodetector includes a thin heavily doped (“delta doped”) layer deposited at an interface between metal contacts and a semiconductor layer to reduce a dark current of the MSM photodetector. In one embodiment, the semiconductor layer is an intrinsic semiconductor layer. In one embodiment, the thickness of the delta doped layer is less than 100 nanometers. In one embodiment, the delta doped layer has a dopant concentration of at least 1×1018 cm−3. A delta doped layer is formed on portions of a semiconductor layer over a substrate. Metal contacts are formed on the delta doped layer. A buffer layer may be formed between the substrate and the semiconductor layer. In one embodiment, the substrate includes silicon, and the semiconductor layer includes germanium.

    摘要翻译: 描述了金属 - 半导体 - 金属(“MSM”)光电探测器及其制造方法。 MSM光电检测器包括沉积在金属触点和半导体层之间的界面处的薄重掺杂(“δ掺杂”)层,以减少MSM光电探测器的暗电流。 在一个实施例中,半导体层是本征半导体层。 在一个实施例中,Δ掺杂层的厚度小于100纳米。 在一个实施例中,δ掺杂层具有至少1×10 18 cm -3的掺杂剂浓度。 在衬底上的半导体层的部分上形成δ掺杂层。 在δ掺杂层上形成金属接触。 可以在衬底和半导体层之间形成缓冲层。 在一个实施例中,衬底包括硅,并且半导体层包括锗。

    Dual seed semiconductor photodetectors
    7.
    发明申请
    Dual seed semiconductor photodetectors 失效
    双种子半导体光电探测器

    公开(公告)号:US20080014669A1

    公开(公告)日:2008-01-17

    申请号:US11477723

    申请日:2006-06-28

    IPC分类号: H01L21/00 H01L31/0232

    摘要: Dual seed semiconductor photodetectors and methods to fabricate thereof are described. A dual seed semiconductor photodetector is formed directly on an insulating layer on a substrate. The dual seed semiconductor photodetector includes an optical layer formed on a dual seed semiconductor layer. The dual seed semiconductor layer includes a seed layer and a buffer layer. The seed layer of a first material is formed on an insulating layer over a substrate. The buffer layer is formed on the seed layer. Next, an optical layer of a second material is formed on the buffer layer. The buffer layer includes the first material and the second material. In one embodiment, the first material is silicon. In one embodiment, the second material is germanium.

    摘要翻译: 描述了双种子半导体光电探测器及其制造方法。 双种子半导体光电检测器直接形成在基板上的绝缘层上。 双种子半导体光电检测器包括形成在双种子半导体层上的光学层。 双种子半导体层包括种子层和缓冲层。 第一材料的种子层在衬底上的绝缘层上形成。 缓冲层形成在种子层上。 接着,在缓冲层上形成第二材料的光学层。 缓冲层包括第一材料和第二材料。 在一个实施例中,第一材料是硅。 在一个实施例中,第二材料是锗。

    Dual seed semiconductor photodetectors
    9.
    发明授权
    Dual seed semiconductor photodetectors 有权
    双种子半导体光电探测器

    公开(公告)号:US07948010B2

    公开(公告)日:2011-05-24

    申请号:US12484936

    申请日:2009-06-15

    IPC分类号: H01L21/02

    摘要: Dual seed semiconductor photodetectors and methods to fabricate thereof are described. A dual seed semiconductor photodetector is formed directly on an insulating layer on a substrate. The dual seed semiconductor photodetector includes an optical layer formed on a dual seed semiconductor layer. The dual seed semiconductor layer includes a seed layer and a buffer layer. The seed layer of a first material is formed on an insulating layer over a substrate. The buffer layer is formed on the seed layer. Next, an optical layer of a second material is formed on the buffer layer. The buffer layer includes the first material and the second material. In one embodiment, the first material is silicon. In one embodiment, the second material is germanium.

    摘要翻译: 描述了双种子半导体光电探测器及其制造方法。 双种子半导体光电检测器直接形成在基板上的绝缘层上。 双种子半导体光电检测器包括形成在双种子半导体层上的光学层。 双种子半导体层包括种子层和缓冲层。 第一材料的种子层在衬底上的绝缘层上形成。 缓冲层形成在种子层上。 接着,在缓冲层上形成第二材料的光学层。 缓冲层包括第一材料和第二材料。 在一个实施例中,第一材料是硅。 在一个实施例中,第二材料是锗。

    Schottky barrier metal-germanium contact in metal-germanium-metal photodetectors
    10.
    发明授权
    Schottky barrier metal-germanium contact in metal-germanium-metal photodetectors 失效
    金属锗金属光电探测器中的肖特基势垒金 - 锗接触

    公开(公告)号:US07700975B2

    公开(公告)日:2010-04-20

    申请号:US11394817

    申请日:2006-03-31

    CPC分类号: H01L31/1085 H01L31/022408

    摘要: Metal-Semiconductor-Metal (“MSM”) photodetectors and methods to fabricate thereof are described. The MSM photodetector includes a thin heavily doped (“delta doped”) layer deposited at an interface between metal contacts and a semiconductor layer to reduce a dark current of the MSM photodetector. In one embodiment, the semiconductor layer is an intrinsic semiconductor layer. In one embodiment, the thickness of the delta doped layer is less than 100 nanometers. In one embodiment, the delta doped layer has a dopant concentration of at least 1×1018 cm−3. A delta doped layer is formed on portions of a semiconductor layer over a substrate. Metal contacts are formed on the delta doped layer. A buffer layer may be formed between the substrate and the semiconductor layer. In one embodiment, the substrate includes silicon, and the semiconductor layer includes germanium.

    摘要翻译: 描述了金属 - 半导体 - 金属(“MSM”)光电探测器及其制造方法。 MSM光电检测器包括沉积在金属触点和半导体层之间的界面处的薄重掺杂(“δ掺杂”)层,以减少MSM光电探测器的暗电流。 在一个实施例中,半导体层是本征半导体层。 在一个实施例中,Δ掺杂层的厚度小于100纳米。 在一个实施例中,δ掺杂层具有至少1×10 18 cm -3的掺杂剂浓度。 在衬底上的半导体层的部分上形成δ掺杂层。 在δ掺杂层上形成金属接触。 可以在衬底和半导体层之间形成缓冲层。 在一个实施例中,衬底包括硅,并且半导体层包括锗。