| 摘要 |
An image sensor with an image area having a plurality of pixels with each pixel having a photodetector and a substrate of a first conductivity type and a first layer of a second conductivity type formed between the substrate and the photodetectors. The first layer spans the image area and is biased at predetermined potential with respect to the substrate for driving excess carriers into the substrate to reduce cross talk. One or more adjacent active electronic components can be disposed in the first layer within each pixel and electronic circuitry can be disposed in the substrate outside of the image area.
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