Photosensor having impurity concentration gradient
    1.
    发明授权
    Photosensor having impurity concentration gradient 失效
    具有杂质浓度梯度的光电传感器

    公开(公告)号:US4626885A

    公开(公告)日:1986-12-02

    申请号:US518658

    申请日:1983-07-29

    摘要: A photosensor including a transparent electrode for transmitting incident light and a photoconductive layer receiving light from the transparent electrode for performing photoelectric conversion, is disclosed in which the photoconductive layer is made of amorphous silicon, the amorphous silicon contains 5 to 30 atomic percent hydrogen and is doped with at least one selected from elements belonging to the groups II and III in such a manner that a region remote from the transparent electrode is higher in the concentration of the selected element than another region proximate to the transparent electrode, and a voltage is applied across the photoconductive layer so that a surface of the photoconductive layer facing the transparent electrode is at a positive potential with respect to another surface of the photoconductive layer opposite to the surface facing the transparent electrode.

    摘要翻译: 公开了一种光电传感器,其包括用于透射入射光的透明电极和从用于进行光电转换的透明电极接收光的光电导层,其中光电导层由非晶硅制成,非晶硅含有5至30原子%的氢,并且是 掺杂有选自属于II和III族的元素中的至少一种,使得远离透明电极的区域的选择元素的浓度高于邻近透明电极的另一区域的浓度,并施加电压 横跨光电导层,使得面向透明电极的光电导层的表面相对于与面向透明电极的表面相反的光电导层的另一表面处于正电位。

    Light-detecting device
    10.
    发明授权
    Light-detecting device 失效
    光检测装置

    公开(公告)号:US4884011A

    公开(公告)日:1989-11-28

    申请号:US143384

    申请日:1988-01-13

    CPC分类号: H01L31/0272 H01J29/456

    摘要: A light-detecting device for converting a light to an electrical signal utilizes a charge multiplication function and has a stable gain.The light-detecting device comprises a photo-electric conversion unit for converting a measurement light to an electrical signal, a power supply for applying an electric field to the photo-electric conversion unit, a light source for applying an incident light to the photo-electric conversion unit, signal detection means for detecting the charge converted by the photo-electric conversion unit based on the incident light from the light source, and signal hold means for holding the output signal of the signal detection means at a predetermined level.

    摘要翻译: 用于将光转换为电信号的光检测装置利用电荷倍增函数并具有稳定的增益。 光检测装置包括用于将测量光转换为电信号的光电转换单元,向光电转换单元施加电场的电源,用于将入射光施加到光电转换单元的光源, 电转换单元,用于基于来自光源的入射光检测由光电转换单元转换的电荷的信号检测装置,以及用于将信号检测装置的输出信号保持在预定水平的信号保持装置。