| 摘要 |
An image sensor and manufacturing method thereof are provided. The image sensor can include a readout circuitry, an interconnection, a second interlayer dielectric, an image sensing device, a contact plug, and a sidewall dielectric. The contact plug can electrically connect the first conductive type layer to the interconnection through a via hole passing through the image sensing device. The sidewall dielectric can be disposed on a sidewall of the second conductive type layer within the via hole.
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