Image sensor and manufacturing method thereof

The invention discloses an image sensor and a manufacturing method thereof, and belongs to the technical field of semiconductors. The image sensor includes: a substrate; the plurality of photodiodes are arranged in the substrate; and the plurality of micro lenses are arranged on the substrate, and the micro lenses are in contact with the substrate. According to the image sensor and the manufacturing method thereof provided by the invention, the performance of the image sensor is improved. 本发明公开了一种图像传感器及其制作方法，属于半导体技术领域。所述图像传感器包括：衬底；多个光电二极管，设置在所述衬底内；以及多个微透镜，设置在所述衬底上，且所述微透镜与所述衬底接触。通过本发明提供的一种图像传感器及其制作方法，提高图像传感器的性能。