| 摘要 |
A method for manufacturing an image sensor includes forming an isolation area in a semiconductor substrate, forming a plurality of gate insulating layers and a plurality of gates over a transistor area of the semiconductor substrate, forming a photodiode over the semiconductor substrate between the gates and the isolation area, forming a nitride layer over the semiconductor substrate such that tensile stress is applied to the transistor area of the semiconductor substrate, forming a floating diffusion layer over the semiconductor substrate between the gates, and removing the nitride layer over the photodiode, and forming an oxide layer over the photodiode.
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