凹面cmos图像传感器及其制造方法

Concave complementary metal-oxide-semiconductor (CMOS) image sensor and manufacturing method thereof

Abstract

The invention relates to a concave complementary metal-oxide-semiconductor (CMOS) image sensor and a manufacturing method thereof. In one embodiment, a concave CMOS image sensor is provided, and the concave CMOS image sensor comprises a substrate and a plurality of separate light-sensitive unit arrays, wherein the substrate comprises a bendable material; the plurality of separate light-sensitive unit arrays are positioned on the substrate; and each of the plurality of separate light-sensitive unit arrays comprises at least one light-sensitive unit, and the substrate is bendable, so that the plurality of separate light-sensitive unit arrays are allowed to form a concave face facing a lens. The concave CMOS image sensor enables lights to be vertically irradiated on the light-sensitive unit arrays generally, so that the light crosstalk between adjacent light-sensitive units is at least partially reduced.
本发明涉及一种凹面CMOS图像传感器及其制造方法。在一个实施例中,提供了一种凹面CMOS图像传感器,包括:基底,所述基底包括可弯曲的材料;以及位于所述基底上的多个分离的感光单元阵列,所述多个分离的感光单元阵列中的每一个包括至少一个感光单元,其中,所述基底是可弯曲的,从而允许所述多个分离的感光单元阵列形成面向镜头的凹面。本发明的凹面CMOS图像传感器使得光线能够大体上垂直照射到感光单元阵列上,进而至少部分地降低相邻感光单元间的光串扰。

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