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    • 2. 发明申请
    • SOLID STATE IMAGE PICKUP DEVICE AND CAMERA
    • 固态图像拾取器和摄像机
    • US20110157441A1
    • 2011-06-30
    • US13044616
    • 2011-03-10
    • Akira OkitaToru KoizumiMasanori OguraShin KikuchiTetsuya Itano
    • Akira OkitaToru KoizumiMasanori OguraShin KikuchiTetsuya Itano
    • H04N5/335H01L27/146
    • H04N5/2173H01L27/14603H01L27/14641H04N5/37457
    • An solid state image pickup device including a plurality of photoelectric conversion regions (PD1, PD2) for generating carriers by photoelectric conversions to accumulate the generated carriers, an amplifying unit for amplifying the carriers, being commonly provided to at least two photoelectric conversion regions, a first and a second transfer units (Tx-MOS1, Tx-MOS2) for transferring the carriers accumulated in the first and the second photoelectric conversion regions, respectively, a first and a second carrier accumulating units (Cs1, Cs2) for accumulating the carriers flowing out from the first and the second photoelectric conversion regions through a first and a second fixed potential barriers, respectively, and a third and a fourth transfer units (Cs-MOS1, Cs-MOS2) for transferring the carriers accumulated in the first and the second carrier accumulating units to the amplifying unit, respectively.
    • 一种固态图像拾取装置,包括用于通过光电转换产生载流子以累积所生成的载流子的多个光电转换区域(PD1,PD2),用于放大载流子的放大单元,共同提供给至少两个光电转换区域, 分别用于传送累积在第一和第二光电转换区域中的载流子的第一和第二传送单元(Tx-MOS1,Tx-MOS2),用于累积载流子的第一和第二载流子存储单元(Cs1,Cs2) 分别通过第一和第二固定势垒从第一和第二光电转换区域出来;以及第三和第四转移单元(Cs-MOS1,Cs-MOS2),用于传送累积在第一和第二固定势垒中的载流子 载波累积单元分别放大到放大单元。
    • 5. 发明授权
    • Image pickup device and camera with expanded dynamic range
    • 图像拾取装置和具有扩展动态范围的相机
    • US07550793B2
    • 2009-06-23
    • US11376213
    • 2006-03-16
    • Tetsuya ItanoToru KoizumiShin KikuchiAkira OkitaMasanori Ogura
    • Tetsuya ItanoToru KoizumiShin KikuchiAkira OkitaMasanori Ogura
    • H01L27/144
    • H01L27/14656H01L27/14603H01L27/14609H01L27/14625H01L27/14643H04N5/361
    • The image pickup device of the invention has a path deeper in a semiconductor substrate, than a region wherein a channel is formed, upon turning on a first MOS transistor, under a gate thereof. The path is arranged by forming a P-type layer for forming a potential barrier, within a P-type well excluding a region below the gate of the first MOS transistor. Thus, even when the first transfer MOS transistor is securely turned off at accumulation, carriers overflowing from a photodiode can flow into the path, thereby enabling to accumulate the carriers, overflowing from the photodiode, in a carrier accumulation region. Such structure allows to suppress a dark current generation from an interface of a gate oxide film of the first transfer MOS transistor, and also to expand the dynamic range of the image pickup device by the carriers overflowing from the photodiode and flowing through the path into the carrier accumulation region.
    • 本发明的图像拾取装置在其栅极接通第一MOS晶体管时,具有比形成沟道的区域更深的半导体衬底。 通过在除了第一MOS晶体管的栅极以下的区域的P型阱内形成用于形成势垒的P型层来设置路径。 因此,即使当第一转移MOS晶体管在累积时被可靠地截止时,从光电二极管溢出的载流子也可流入路径,从而能够在载流子积聚区域中累积从光电二极管溢出的载流子。 这种结构允许抑制来自第一传输MOS晶体管的栅极氧化膜的界面的暗电流产生,并且还通过从光电二极管溢出的载流子扩展图像拾取器件的动态范围,并流过该通道 载体积聚区。
    • 7. 发明授权
    • Solid state image pickup device and camera
    • 固态图像拾取装置和相机
    • US07321110B2
    • 2008-01-22
    • US11373195
    • 2006-03-13
    • Akira OkitaToru KoizumiMasanori OguraShin KikuchiTetsuya Itano
    • Akira OkitaToru KoizumiMasanori OguraShin KikuchiTetsuya Itano
    • H01L27/00
    • H04N5/2173H01L27/14603H01L27/14641H04N5/37457
    • An solid state image pickup device including a plurality of photoelectric conversion regions (PD1, PD2) for generating carriers by photoelectric conversions to accumulate the generated carriers, an amplifying unit for amplifying the carriers, being commonly provided to at least two photoelectric conversion regions, a first and a second transfer units (Tx-MOS1, Tx-MOS2) for transferring the carriers accumulated in the first and the second photoelectric conversion regions, respectively, a first and a second carrier accumulating units (Cs1, Cs2) for accumulating the carriers flowing out from the first and the second photoelectric conversion regions through a first and a second fixed potential barriers, respectively, and a third and a fourth transfer units (Cs-MOS1, Cs-MOS2) for transferring the carriers accumulated in the first and the second carrier accumulating units to the amplifying unit, respectively.
    • 一种固态图像拾取装置,包括用于通过光电转换产生载流子以累积产生的载流子的多个光电转换区域(PD 1,PD 2),用于放大载流子的放大单元,共同地提供给至少两个光电转换区域 ,分别用于传送累积在第一和第二光电转换区域中的载流子的第一和第二传送单元(Tx-MOS1,Tx-MOS2),第一和第二载流子存储单元(Cs 1,Cs 2 ),用于分别通过第一和第二固定电势势垒累积从第一和第二光电转换区流出的载流子;以及第三和第四转移单元(Cs-MOS 1,Cs-MOS 2) 累积在第一和第二载波累积单元中的载波分别放大到放大单元。
    • 8. 发明授权
    • Solid state image pickup device and camera having arrayed pixels including amplifying units
    • 具有包括放大单元的排列像素的固态图像拾取装置和相机
    • US08441558B2
    • 2013-05-14
    • US13044616
    • 2011-03-10
    • Akira OkitaToru KoizumiMasanori OguraShin KikuchiTetsuya Itano
    • Akira OkitaToru KoizumiMasanori OguraShin KikuchiTetsuya Itano
    • H04N5/217H04N3/14
    • H04N5/2173H01L27/14603H01L27/14641H04N5/37457
    • An solid state image pickup device including a plurality of photoelectric conversion regions (PD1, PD2) for generating carriers by photoelectric conversions to accumulate the generated carriers, an amplifying unit for amplifying the carriers, being commonly provided to at least two photoelectric conversion regions, a first and a second transfer units (Tx-MOS1, Tx-MOS2) for transferring the carriers accumulated in the first and the second photoelectric conversion regions, respectively, a first and a second carrier accumulating units (Cs1, Cs2) for accumulating the carriers flowing out from the first and the second photoelectric conversion regions through a first and a second fixed potential barriers, respectively, and a third and a fourth transfer units (Cs-MOS1, Cs-MOS2) for transferring the carriers accumulated in the first and the second carrier accumulating units to the amplifying unit, respectively.
    • 一种固态图像拾取装置,包括用于通过光电转换产生载流子以累积所生成的载流子的多个光电转换区域(PD1,PD2),用于放大载流子的放大单元,共同提供给至少两个光电转换区域, 分别用于传送累积在第一和第二光电转换区域中的载流子的第一和第二传送单元(Tx-MOS1,Tx-MOS2),用于累积载流子的第一和第二载流子存储单元(Cs1,Cs2) 分别通过第一和第二固定势垒从第一和第二光电转换区域出来;以及第三和第四转移单元(Cs-MOS1,Cs-MOS2),用于传送累积在第一和第二固定势垒中的载流子 载波累积单元分别放大到放大单元。