A digital image sensor invented by Richard B. Merrill that records blue, green and red signals at each pixel. Blue, green and red light penetrate the silicon to different depths and are recorded by stacked photo diodes.
Recommended links: extremetech, Foveon vs. Bayer sensors (dpreview), Foveon, trustedreviews, Wikipedia (Foveon sensor), Wikipedia (Richard B. Merrill),
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