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    • 8. 发明申请
    • Image sensor and methods of forming the same
    • 图像传感器及其形成方法
    • US20060199295A1
    • 2006-09-07
    • US11369474
    • 2006-03-07
    • Jong-Wook HongJune-Taeg Lee
    • Jong-Wook HongJune-Taeg Lee
    • H01L21/00
    • H01L27/14687H01L27/14632H01L27/14636
    • A method of forming an image sensor is provided. The method includes forming a protection insulating layer, a lower mold insulating layer and an upper mold insulating layer over a semiconductor substrate in which a plurality of photodiodes are spaced apart from one another. The method further includes forming a dummy pattern contact with the lower mold insulating layer in the upper mold insulating layer, forming a preliminary cavity exposing the lower mold insulating layer contact with the dummy pattern by selectively removing the dummy pattern, and forming a cavity exposing the protection insulating layer over the photodiode by anisotropically etching the exposed lower mold insulating layer.
    • 提供了一种形成图像传感器的方法。 该方法包括在多个光电二极管彼此间隔开的半导体衬底上形成保护绝缘层,下模绝缘层和上模绝缘层。 该方法还包括在上模绝缘层中形成与下模绝缘层的虚拟图案接触,通过选择性地去除虚设图案形成暴露下模绝缘层与虚设图案的预备腔,并形成暴露于 通过各向异性蚀刻暴露的下模绝缘层在光电二极管上方的保护绝缘层。