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    • 5. 发明授权
    • Charge coupled device with potential gradient region between two control gate regions
    • 电荷耦合器件具有两个控制栅极区域之间的电位梯度区域
    • US08164121B2
    • 2012-04-24
    • US12780708
    • 2010-05-14
    • Mark Wadsworth
    • Mark Wadsworth
    • H01L27/148
    • H01L27/14683H01L27/1462H01L27/14806H01L27/1485
    • A six-phase charge coupled device (CCD) pixel includes a pixel pair, with each pixel having two adjacent control gates overlying corresponding variable potential wells, where voltages applied to the control gates enable charge to be accumulated into and transferred out of the wells. A clear window region overlies a fixed potential gradient region, decreasing in potential away from the control gates. This region enables a wide band of photons to be sensed by the photosensitive silicon of the CCD. The decreasing potential levels facilitate high charge transfer efficiency (i.e., high CTE) from pixel to pixel via the control or transfer gates. By applying particular voltages to the control gates, charge can be quickly and efficiently transferred between pixels. In addition, the window provides a self aligned mask for the implantation steps and thus prevents the formation of pockets (or wells) due to misalignments that decrease the charge transfer efficiency and causes non-uniformity problems as associated with prior art. Furthermore the window provides a flat region that can be covered with an anti-reflective (AR) coating layer, thus further increasing the quantum efficiency.
    • 六相电荷耦合器件(CCD)像素包括像素对,其中每个像素具有覆盖相应的可变势阱的两个相邻的控制栅极,其中施加到控制栅极的电压使得电荷能够积累并输出到阱中。 清晰的窗口区域覆盖固定的电位梯度区域,电位远离控制栅极减小。 该区域使得能够通过CCD的感光硅感测宽带光子。 降低的电位电平有助于通过控制或传输门从像素到像素的高电荷转移效率(即高CTE)。 通过对控制栅极施加特定的电压,可以在像素之间快速有效地传送电荷。 此外,窗口为植入步骤提供自对准的掩模,并且因此防止由于未对准而导致的口袋(或孔)的形成,这会降低电荷转移效率并引起与现有技术相关的不均匀性问题。 此外,窗口提供可以用抗反射(AR)涂层覆盖的平坦区域,从而进一步增加量子效率。
    • 7. 发明授权
    • Device and method for processing photographic image data
    • 用于处理摄影图像数据的装置和方法
    • US07719573B2
    • 2010-05-18
    • US10148838
    • 2001-10-03
    • Kouichi HaradaTomoo MitsunagaSeiji Kobayashi
    • Kouichi HaradaTomoo MitsunagaSeiji Kobayashi
    • H04N5/235G03B7/00
    • H01L27/1485H01L27/1462H01L27/14812H04N5/235H04N5/35554H04N5/3728
    • Disclosed herein is a photographing device that includes a number of light-receiving elements, a number of vertical transfer registers, a first drive-voltage applying electrode, and a second drive-voltage applying electrode. The light-receiving elements are arranged in a horizontal direction and a vertical direction. The vertical transfer registers transfers the electric charges accumulated in the light-receiving elements in the vertical direction. The first drive-voltage applying electrode is arranged parallel to the vertical transfer registers, for applying a drive voltage to a specific one of the vertical transfer registers. The second drive-voltage applying electrode is arranged perpendicular to the vertical transfer registers, for applying a second drive voltage to the vertical transfer registers at the same time. The electric charges accumulated in the light-receiving elements are transferred to the vertical transfer registers, due to the voltage output from the first drive-voltage applying electrode or the second drive-voltage applying electrode, or the voltages output from both electrodes. Therefore, the light-receiving elements can have different sensitivities, and the photographing device can photograph dynamic scenes in a broad dynamic range.
    • 本文公开了一种拍摄装置,其包括多个光接收元件,多个垂直传送寄存器,第一驱动电压施加电极和第二驱动电压施加电极。 光接收元件沿水平方向和垂直方向排列。 垂直传送寄存器在垂直方向上传送累积在光接收元件中的电荷。 第一驱动电压施加电极平行于垂直传送寄存器布置,用于将驱动电压施加到特定的一个垂直传送寄存器。 第二驱动电压施加电极垂直于垂直传送寄存器布置,用于将第二驱动电压同时施加到垂直传送寄存器。 由于从第一驱动电压施加电极或第二驱动电压施加电极输出的电压或从两个电极输出的电压,累积在光接收元件中的电荷被传送到垂直传送寄存器。 因此,光接收元件可以具有不同的灵敏度,并且拍摄装置可以在宽动态范围内拍摄动态场景。
    • 8. 发明授权
    • Solid-state image pickup apparatus, image pickup apparatus, and image sensor
    • 固态图像拾取装置,图像拾取装置和图像传感器
    • US07692707B2
    • 2010-04-06
    • US11632964
    • 2005-07-20
    • Yasushi KondoHiromasa Maruno
    • Yasushi KondoHiromasa Maruno
    • H04N3/14H04N5/335H04N5/217
    • H04N5/3725H01L27/14806H01L27/14837H01L27/1485
    • In a solid-state image sensor according to this invention, an image signal temperature variation suppressing unit changes a voltage value of a driver voltage applied to multiplying registers in response to variations in sensor temperature of a CCD image sensor. Thus, a charge multiplication gain of a charge multiplying unit is electrically controlled to suppress variations in signal strength of image signals due to the variations in the sensor temperature of the CCD image sensor. As a result, without relying on thermal control with which it is very difficult to realize high precision control, variations in the signal strength of the image signals due to the variations in the sensor temperature of the CCD image sensor are suppressed easily by controlling the charge multiplication gain of the charge multiplying unit based on the electric control, with which it is very easy to realize high precision control, performed by the image signal temperature variation suppressing unit in response to the variations in the sensor temperature of the CCD image sensor.
    • 在根据本发明的固态图像传感器中,图像信号温度变化抑制单元响应于CCD图像传感器的传感器温度的变化而改变施加到乘法寄存器的驱动器电压的电压值。 因此,电荷乘法单元的电荷倍增增益被电控制,以抑制由于CCD图像传感器的传感器温度的变化引起的图像信号的信号强度的变化。 结果,不依赖于难于实现高精度控制的热控制,由于CCD图像传感器的传感器温度的变化导致的图像信号的信号强度的变化容易地通过控制电荷 根据CCD图像传感器的传感器温度的变化,基于由图像信号温度变化抑制单元执行的电气控制的非常容易实现高精度控制的电荷乘法单元的乘法增益。
    • 9. 发明授权
    • Spatial information detecting device
    • 空间信息检测装置
    • US07645975B2
    • 2010-01-12
    • US10598274
    • 2005-10-24
    • Hideki KawaharaMotoo IkariKenichi HagioEiji Nakamoto
    • Hideki KawaharaMotoo IkariKenichi HagioEiji Nakamoto
    • H01L27/00G01N21/86H04N5/222
    • H01L27/14843H01L27/14818H01L27/1485H04N5/235
    • A spatial information detecting device for accurately detecting information of a target space is provided. This device has photoelectric converters for receiving a reflection light from the space, in which a flashing light is being irradiated, a charge storage portion formed in each of the photoelectric converters by applying a control voltage to electrodes on each of the photoelectric converters, a controller for controlling the number of electrodes, to which the control voltage is applied, such that an area of the charge storage portion changes based on a flash cycle of the flashing light, and an amplitude-image generator for generating an amplitude image having pixel values, each of which is provided by a difference between electric charges collected in a lighting period of the flashing light by a charge storage portion and the electric charges collected in a non-lighting period of the flashing light by another charge storage portion.
    • 提供了一种用于准确地检测目标空间的信息的空间信息检测装置。 该装置具有光电转换器,用于从其中照射闪光的空间接收反射光,通过向每个光电转换器中的电极施加控制电压,形成在每个光电转换器中的电荷存储部分,控制器 用于控制施加控制电压的电极的数量,使得电荷存储部分的面积基于闪光的闪光周期而变化;以及幅度图像发生器,用于产生具有像素值的幅度图像, 其中的每一个由通过电荷存储部分在闪光的发光周期中收集的电荷与通过另一个电荷存储部分在闪光的非发光时段中收集的电荷之间的差异来提供。