| 摘要 |
An image sensor and a fabrication method thereof are provided. The image sensor includes: a first photodiode formed in a substrate and receiving a first color; a second photodiode formed in the substrate apart from the first photodiode and receiving a second color with a wavelength longer than that of the first color; a third photodiode formed in the substrate apart from the first photodiode and the second photodiode and receiving a third color with a wavelength longer than that of the second color; and a passivation layer formed on the substrate and having different regional thicknesses whose magnitude increases in order of a first region of the passivation layer corresponding to a first color region, a second region of the passivation layer corresponding to a second color region and a third region of the passivation layer corresponding to a third color region.
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