PHOTODETECTOR AND PRODUCTION METHOD THEREOF
    51.
    发明申请
    PHOTODETECTOR AND PRODUCTION METHOD THEREOF 有权
    光电及其生产方法

    公开(公告)号:US20090001412A1

    公开(公告)日:2009-01-01

    申请号:US12163039

    申请日:2008-06-27

    IPC分类号: H01L31/0336 H01L31/18

    摘要: The invention offers a photodetector that has an N-containing InGaAs-based absorption layer having a sensitivity in the near-infrared region and that suppresses the dark current and a production method thereof. The photodetector is provided with an InP substrate 1, an N-containing InGaAs-based absorption layer 3 positioned above the InP substrate 1, a window layer 5 positioned above the N-containing InGaAs-based absorption layer 3, and an InGaAs buffer layer 4 positioned between the N-containing InGaAs-based absorption layer 3 and the window layer 5.

    摘要翻译: 本发明提供了一种具有在近红外区域具有灵敏度并且抑制暗电流的含N的InGaAs基吸收层的光电检测器及其制造方法。 光电检测器设置有InP基板1,位于InP基板1上方的含有N的InGaAs基吸收层3,位于含N的InGaAs基吸收层3上方的窗口层5和InGaAs缓冲层4 位于含N的InGaAs基吸收层3和窗口层5之间。

    GAS MONITORING DEVICE, COMBUSTION STATE MONITORING DEVICE, SECULAR CHANGE MONITORING DEVICE, AND IMPURITY CONCENTRATION MONITORING DEVICE
    52.
    发明申请
    GAS MONITORING DEVICE, COMBUSTION STATE MONITORING DEVICE, SECULAR CHANGE MONITORING DEVICE, AND IMPURITY CONCENTRATION MONITORING DEVICE 有权
    气体监测装置,燃烧状态监测装置,二次变化监测装置和污染浓度监测装置

    公开(公告)号:US20110261359A1

    公开(公告)日:2011-10-27

    申请号:US13142039

    申请日:2009-07-30

    IPC分类号: G01N21/59

    摘要: [Object] To provide a gas monitoring device etc. with which gas monitoring can be preformed at high sensitivity by using an InP-based photodiode in which a dark current is reduced without a cooling mechanism and the sensitivity is extended to a wavelength of 1.8 μm or more.[Solution] An absorption layer 3 has a multiquantum well structure composed of group III-V semiconductors, a pn-junction 15 is formed by selectively diffusion of an impurity element in the absorption layer, and the concentration of the impurity element in the absorption layer is 5×1016/cm3 or less. The gas monitoring device detects a gas component and the like contained in a gas by receiving light having at least one wavelength of 3 μm or less.

    摘要翻译: [目的]提供一种气体监测装置等,通过使用其中暗电流降低而没有冷却机构的InP基光电二极管,可以以高灵敏度进行气体监测,并且灵敏度延伸到1.8μm的波长 或者更多。 [解决方案]吸收层3具有由III-V族半导体构成的多量子阱结构,通过在吸收层中选择性地扩散杂质元素而形成pn结15,并且吸收层中杂质元素的浓度 为5×1016 / cm3以下。 气体监测装置通过接收至少一个波长为3μm以下的光来检测包含在气体中的气体成分等。

    Near-infrared imaging sensor
    54.
    发明授权
    Near-infrared imaging sensor 有权
    近红外成像传感器

    公开(公告)号:US08378300B2

    公开(公告)日:2013-02-19

    申请号:US12689550

    申请日:2010-01-19

    IPC分类号: G01J5/02

    摘要: A near-infrared imaging sensor according to the present invention includes a photodiode array sensitive to light with a wavelength of 1.2 to 3 μm and a multiplexer including a signal readout circuit. The near-infrared imaging sensor is contained in a housing and is vacuum-sealed. The housing includes a main body section and a lid covering the main body section. The lid is made of a material transparent to light with a wavelength of 1.2 to 3 μm.

    摘要翻译: 根据本发明的近红外成像传感器包括对波长为1.2至3μm的光敏感的光电二极管阵列和包括信号读出电路的多路复用器。 近红外成像传感器被包含在壳体中并被真空密封。 壳体包括主体部分和覆盖主体部分的盖子。 该盖由对透明至波长为1.2至3μm的光的材料制成。

    Gas monitoring device, combustion state monitoring device, secular change monitoring device, and impurity concentration monitoring device
    55.
    发明授权
    Gas monitoring device, combustion state monitoring device, secular change monitoring device, and impurity concentration monitoring device 有权
    气体监测装置,燃烧状态监测装置,长期变化监测装置和杂质浓度监测装置

    公开(公告)号:US08624189B2

    公开(公告)日:2014-01-07

    申请号:US13142039

    申请日:2009-07-30

    IPC分类号: H01L31/0248

    摘要: [Object] To provide a gas monitoring device etc. with which gas monitoring can be preformed at high sensitivity by using an InP-based photodiode in which a dark current is reduced without a cooling mechanism and the sensitivity is extended to a wavelength of 1.8 μm or more.[Solution] An absorption layer 3 has a multiquantum well structure composed of group III-V semiconductors, a pn-junction 15 is formed by selectively diffusion of an impurity element in the absorption layer, and the concentration of the impurity element in the absorption layer is 5×1016/cm3 or less. The gas monitoring device detects a gas component and the like contained in a gas by receiving light having at least one wavelength of 3 μm or less.

    摘要翻译: [目的]提供一种气体监测装置等,通过使用其中暗电流减小而不具有冷却机制的InP基光电二极管,可以以高灵敏度进行气体监测,并且灵敏度延伸至1.8μm的波长 或者更多。 [解决方案]吸收层3具有由III-V族半导体构成的多量子阱结构,通过在吸收层中选择性地扩散杂质元素而形成pn结15,并且吸收层中杂质元素的浓度 为5×1016 / cm3以下。 气体监测装置通过接收至少一个波长为3μm或更小的光来检测包含在气体中的气体成分等。

    Light-emitting device
    57.
    发明授权
    Light-emitting device 失效
    发光装置

    公开(公告)号:US07560740B2

    公开(公告)日:2009-07-14

    申请号:US11361144

    申请日:2006-02-23

    IPC分类号: H01L33/00

    摘要: A light-emitting device is presented which includes a GaN substrate 1; an n-type nitride semiconductor substrate layer (n-type AlxGa1-xN layer 3) disposed on a first main surface side of the GaN substrate 1; a p-type nitride semiconductor substrate layer (p-type AlxGa1-xN layer 5) disposed further away from the GaN substrate 1 compared to the n-type nitride semiconductor substrate layer; and a light-emitting layer (multi-quantum well (MQW) 4) positioned between the n-type nitride semiconductor layer and the p-type nitride semiconductor layer. The p-type nitride semiconductor layer side is down-mounted. Also, light is released from a second main surface 1a, which the main surface opposite from the first main surface of the GaN substrate 1. A groove 80 is formed on the second main surface of the GaN substrate 1. The inner perimeter surface of the groove 80 includes a section (curved surface section) on which surface treatment is performed to smooth the inner perimeter surface.

    摘要翻译: 提出了一种发光器件,其包括GaN衬底1; 设置在GaN衬底1的第一主表面侧的n型氮化物半导体衬底层(n型Al x Ga 1-x N 3) 与n型氮化物半导体衬底层相比更远离GaN衬底1设置的p型氮化物半导体衬底层(p型Al x Ga 1-x N层5) 以及位于n型氮化物半导体层和p型氮化物半导体层之间的发光层(多量子阱(MQW)4)。 p型氮化物半导体层侧被下放。 此外,从与GaN衬底1的第一主表面相对的主表面的第二主表面1a释放光。在GaN衬底1的第二主表面上形成有沟槽80。 槽80包括在其上进行表面处理以平滑内周表面的截面(曲面部分)。

    Light emitting device
    58.
    发明授权
    Light emitting device 有权
    发光装置

    公开(公告)号:US07476909B2

    公开(公告)日:2009-01-13

    申请号:US11311638

    申请日:2005-12-20

    IPC分类号: H01L33/00

    摘要: A light emitting device having a simple structure that can be easily manufactured, attaining high light emitting efficiency stably for a long time is obtained, which light emitting device includes: a GaN substrate as a nitride semiconductor substrate and, on a first main surface of the nitride semiconductor substrate, an n-type AlxGa1-xN layer, a p-type AlxGa1-xN layer positioned further than the n-type AlxGa1-xN layer viewed from the nitride semiconductor substrate, and a quantum well positioned between the n-type AlxGa1-xN layer and the p-type AlxGa1-xN layer. In the light emitting device, specific resistance of the nitride semiconductor substrate is at most 0.5 Ω·cm, the side of p-type AlxGa1-xN layer is mounted face-down, and the light is emitted from the second main surface 1a that is opposite to the first main surface of the nitride semiconductor substrate. The second main surface 1a of nitride semiconductor substrate has trenches formed therein.

    摘要翻译: 获得具有简单结构的发光器件,其可以容易地制造,长时间稳定地获得高发光效率,该发光器件包括:GaN衬底作为氮化物半导体衬底,并且在第一主表面上 氮化物半导体衬底,n型Al x Ga 1-x N层,从氮化物半导体衬底观察的位于比n型Al x Ga 1-x N层更远的p型Al x Ga 1-x N层,以及位于n型Al x Ga 1-x N层之间的量子阱 -xN层和p型Al x Ga 1-x N层。 在发光器件中,氮化物半导体衬底的比电阻为0.5Ω·cm以下,p型Al x Ga 1-x N层的侧面朝下地安装,并且从第二主表面1a射出光 与氮化物半导体衬底的第一主表面相对。 氮化物半导体衬底的第二主表面1a具有形成在其中的沟槽。