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    • 4. 发明申请
    • Solid-state image pickup device and driving method therefor
    • 固体摄像装置及其驱动方法
    • US20060092305A1
    • 2006-05-04
    • US11264513
    • 2005-10-31
    • Ichiro BabaTakashi Yamada
    • Ichiro BabaTakashi Yamada
    • H04N5/335H04N3/14
    • H04N5/3765H04N5/37213
    • The solid-state image pickup device comprises: light-receiving pixels which convert incident light into charges; a vertical-transfer section which has a plurality of transfer gates for transferring charges read from the light-receiving pixels in the column direction; a horizontal-transfer section which is coupled with the vertical-transfer section and outputs charges transferred from the vertical-transfer section in a horizontal period cycle; a timing pulse producing section which produces timing pulses for producing driving signals for driving the transfer gates; and a driving signal producing section for producing driving signals for driving the transfer gates based on outputs from the timing pulse producing section. The timing pulse producing section produces the timing pulses in such a manner that distributions of timing pulse switching periods of driving signals for driving at least two of the transfer gates in the same column have the same distribution ratio, to each other, as the distribution of reference switching periods obtained from frequency dependence of charge transfer efficiencies such that the charge transfer efficiencies of the transfer gates are not less than a predetermined value.
    • 固态图像拾取装置包括:将入射光转换成电荷的受光像素; 垂直传送部分,其具有用于传送从列方向上的受光像素读取的电荷的多个传送门; 水平传送部分,其与垂直传送部分耦合并且在水平周期周期中输出从垂直传送部分传送的电荷; 定时脉冲产生部分,产生用于产生用于驱动传输门的驱动信号的定时脉冲; 以及驱动信号产生部分,用于根据来自定时脉冲产生部分的输出产生用于驱动传输门的驱动信号。 定时脉冲产生部分以这样的方式产生定时脉冲,使得用于驱动同一列中的至少两个传输门的驱动信号的定时脉冲切换周期的分布彼此具有相同的分配比,作为 从电荷转移效率的频率依赖性获得的参考开关周期,使得转移门的电荷转移效率不小于预定值。
    • 8. 发明授权
    • Solid-state imaging device having a plurality of charge transfer
electrodes formed in a serpentine pattern
    • 具有形成为蛇形图案的多个电荷转移电极的固态成像装置
    • US5306906A
    • 1994-04-26
    • US65166
    • 1993-05-20
    • Tetsuro AokiEiji KoyamaIchiro Baba
    • Tetsuro AokiEiji KoyamaIchiro Baba
    • H01L27/148H01L29/423H04N5/335H04N5/369H04N5/372H01J40/14
    • H01L29/42396H01L27/14831
    • A solid-state imaging device includes: a semiconductor layer having a top surface; a plurality of first charge transfer electrodes formed on the semiconductor layer and extending in a serpentine pattern in a first direction at a prescribed cycle, the first direction being substantially parallel with the top surface of the semiconductor layer; a plurality of second charge transfer electrodes formed on the semiconductor layer and extending in a serpentine pattern in the first direction at a prescribed cycle; a plurality of charge transfer sections formed in the semiconductor layer, and extending in a serpentine pattern in a second direction, the second direction being substantially perpendicular to the first direction; and a plurality of photoelectric converters formed in areas of the semiconductor layer bounded by the first and second charge transfer electrodes, each photoelectric converter provided for generating a signal charge in response to incident light, and for supplying the signal charge to an adjacent one of the charge transfer sections.
    • 固态成像装置包括:具有顶表面的半导体层; 多个第一电荷转移电极,其形成在所述半导体层上并且以规定的周期沿第一方向以蛇形图案延伸,所述第一方向大致平行于所述半导体层的顶表面; 多个第二电荷转移电极,其形成在所述半导体层上并且以规定的周期沿所述第一方向以蛇形图案延伸; 多个电荷转移部,形成在所述半导体层中,并且沿第二方向以蛇形图案延伸,所述第二方向基本上垂直于所述第一方向; 以及形成在由第一和第二电荷转移电极限定的半导体层的区域中的多个光电转换器,每个光电转换器被设置用于响应入射光产生信号电荷,并且用于将信号电荷提供给相邻的一个 电荷转移部分。