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    • 5. 发明授权
    • CMOS image sensor
    • CMOS图像传感器
    • US07262448B2
    • 2007-08-28
    • US11020526
    • 2004-12-27
    • Young Rok Kim
    • Young Rok Kim
    • H01L31/062H01L31/113
    • H01L27/14627H01L27/14609H01L27/14621H01L27/14623
    • A CMOS image sensor is disclosed, to improve light-condensing efficiency by forming a minute lens array having a large curvature (long focal distance) for the increase in height of upper structures above a photodiode, which includes a lower layer formed of the photodiode, metal circuits, and insulating interlayers for insulating the metal circuits from one another; a color filter array of R, G and B formed on the lower layer; an overcoat layer formed on the color filter array; a micro-lens formed on the overcoat layer; and the minute lens array having minute lenses formed between the lower layer and the color filter array, each minute lens having a larger curvature than that of the micro-lens.
    • 公开了一种CMOS图像传感器,以通过形成具有大的曲率(长焦距)的微透镜阵列来提高聚光效率,以便在包括由光电二极管形成的下层的光电二极管之上的上部结构的高度增加, 金属电路和用于使金属电路彼此绝缘的绝缘夹层; 形成在下层上的R,G和B的滤色器阵列; 形成在滤色器阵列上的外涂层; 形成在外涂层上的微透镜; 并且具有形成在下层和滤色器阵列之间的微小透镜的微透镜阵列,每个微透镜具有比微透镜更大的曲率。