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    • 1. 发明授权
    • Semiconductor light-receiving device with multiple potentials applied to layers of multiple conductivities
    • 具有多个电位的半导体光接收装置应用于多个电导率层
    • US07105798B2
    • 2006-09-12
    • US10665259
    • 2003-09-22
    • Gang WangYoshihiro Yoneda
    • Gang WangYoshihiro Yoneda
    • H01L31/00
    • H01L27/1443H01L31/02019H01L31/105H01L31/107H01L2224/48091H01L2224/48137H01L2924/30107H01L2924/00014H01L2924/00
    • A semiconductor light-receiving device includes: a substrate that has a first surface and a second surface facing each other; a first semiconductor layer that is formed on the first surface of the substrate and includes at least one semiconductor layer of a first conductivity type; a light absorption layer that is formed on the first semiconductor layer and generates carriers in accordance with incident light; a second semiconductor layer that is formed on the light absorption layer and includes at least one semiconductor layer of a second conductivity type; a first electrode part that is electrically connected to the first semiconductor layer and applies a first potential thereto; a second electrode part that is electrically connected to the second semiconductor layer and applies a second potential thereto; and a third semiconductor layer of the second conductivity type that is interposed between the first surface of the substrate and the first semiconductor layer.
    • 半导体光接收装置包括:具有彼此面对的第一表面和第二表面的基板; 第一半导体层,其形成在所述基板的所述第一表面上,并且包括至少一个第一导电类型的半导体层; 形成在第一半导体层上并根据入射光产生载流子的光吸收层; 第二半导体层,其形成在所述光吸收层上并且包括至少一个第二导电类型的半导体层; 电连接到第一半导体层并向其施加第一电位的第一电极部分; 电连接到第二半导体层并向其施加第二电位的第二电极部分; 以及介于基板的第一表面和第一半导体层之间的第二导电类型的第三半导体层。
    • 2. 发明授权
    • Semiconductor light-receiving device
    • 半导体光接收装置
    • US07368750B2
    • 2008-05-06
    • US10665204
    • 2003-09-22
    • Gang WangYoshihiro Yoneda
    • Gang WangYoshihiro Yoneda
    • H01L29/04H01L31/036
    • H01L31/105H01L31/1844Y02E10/544
    • A semiconductor light-receiving device includes: a semi-insulating substrate; a semiconductor layer of a first conduction type that is formed on the semi-insulating substrate; a buffer layer of the first conduction type that is formed on the semi-insulating substrate and has a lower impurity concentration than the semiconductor layer of the first conduction type; a light absorption layer that is formed on the buffer layer and generates carriers in accordance with incident light; a semiconductor layer of a second conduction type that is formed on the light absorption layer; and a semiconductor intermediate layer that is interposed between the buffer layer and the light absorption layer, and has a forbidden bandwidth within a range lying between the forbidden bandwidth of the buffer layer and the forbidden bandwidth of the light absorption layer.
    • 半导体光接收装置包括:半绝缘基板; 形成在半绝缘基板上的第一导电型半导体层; 所述第一导电类型的缓冲层形成在所述半绝缘基板上并且具有比所述第一导电类型的半导体层更低的杂质浓度; 形成在缓冲层上并根据入射光产生载流子的光吸收层; 形成在所述光吸收层上的第二导电类型的半导体层; 以及介于缓冲层和光吸收层之间的半导体中间层,并且在缓冲层的禁止带宽和光吸收层的禁止带宽之间的范围内具有禁止带宽。
    • 4. 发明授权
    • Information processing system, communication terminal, information processing unit and program
    • 信息处理系统,通信终端,信息处理单元和程序
    • US09396477B2
    • 2016-07-19
    • US13463457
    • 2012-05-03
    • Isao SomaNaoki MiyabayashiYoshihiro YonedaSeiji KurodaYasuharu IshikawaKazuo Takada
    • Isao SomaNaoki MiyabayashiYoshihiro YonedaSeiji KurodaYasuharu IshikawaKazuo Takada
    • G06Q30/02H04W88/04
    • H04W88/04G06Q30/02H04W4/80H04W76/14H04W76/30
    • There is provided an information processing system including a service provider unit, a communication terminal and an information processing unit. The communication terminal includes a terminal first communication section, a terminal second communication section to communicate with the information processing unit through a first communication channel, a terminal third communication section to communicate with the information processing unit through a second communication channel, and a terminal communication control section. The information processing unit includes a unit first communication section to communicate with the communication terminal through the first communication channel, a unit second communication section to communicate with the communication terminal through the second communication channel, a unit communication control section to switch communication channels with the communication terminal from the first communication channel to the second communication channel, and a unit processing section to perform service processing with the service provider unit.
    • 提供了一种包括服务提供商单元,通信终端和信息处理单元的信息处理系统。 通信终端包括终端第一通信部,通过第一通信信道与信息处理部通信的终端第二通信部,通过第二通信信道与信息处理部通信的终端第三通信部,以及终端通信 控制部分。 信息处理单元包括通过第一通信信道与通信终端进行通信的单元第一通信部,通过第二通信信道与通信终端通信的单位第二通信部,与通信终端通过第二通信信道进行通信的单元通信控制部, 通信终端从第一通信信道到第二通信信道,以及单元处理部,用于与服务提供者单元进行服务处理。