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    • 3. 发明授权
    • Charge injection device camera system for radiation-hardened applications
    • 用于辐射硬化应用的电荷注入装置相机系统
    • US08018514B1
    • 2011-09-13
    • US11800141
    • 2007-05-04
    • Denis BaikoSuraj BhaskaranJoseph CarboneStephen CzebiniakHerbert Ziegler
    • Denis BaikoSuraj BhaskaranJoseph CarboneStephen CzebiniakHerbert Ziegler
    • H04N5/335
    • H04N5/23203H04N5/357H04N5/3698H04N5/3765
    • An imaging system for deployment within a high-radiation environment. The imaging system has an imaging array of photosensitive pixels, each of which contains a sense gate for integrating photogenerated charge during the course of a frame and an amplifier transistor for sampling voltage on the sense gate. Each pixel also contains an inject gate and select and reset FETs, for operation as a charge injection device (CID). Moreover, a circuit including a monitor transistor on each polysilicon layer of the imaging array provides a threshold voltage monitor signal used to compensate a drive signal applied to the array on the basis of threshold voltage shifts induced by exposure to radiation. The array is contained within a remote head that may be evacuated and temperature-controlled and that may contain radiation-hardened drive electronics for generating drive signals upon receipt of a start pulse received from a camera control unit located at a significant distance from the remote head.
    • 用于在高辐射环境中部署的成像系统。 成像系统具有感光像素的成像阵列,每个像素包含用于在一个帧过程中积分光生成电荷的检测门和用于在感测门上采样电压的放大器晶体管。 每个像素还包含一个注入栅极和选择和复位FET,用作电荷注入器件(CID)。 此外,包括成像阵列的每个多晶硅层上的监视晶体管的电路提供阈值电压监视信号,用于根据由辐射引起的阈值电压偏移来补偿施加到阵列的驱动信号。 该阵列包含在远程头部中,其可以被抽空和温度控制,并且可以包含辐射硬化的驱动电子装置,用于在接收到从远程头部相当远的距离的相机控制单元接收到的起始脉冲时产生驱动信号 。