Complementary metal-oxide-semiconductor image sensor and method of making
Abstract:
A pixel includes a workpiece having a protrusion and a bulk, wherein the protrusion is above the bulk. The pixel further includes a protrusion doping region in the protrusion. The pixel further includes an isolation structure in the protrusion, wherein the isolation structure surrounds the protrusion doping region. The pixel further includes a photosensitive device, wherein the photosensitive device is in the bulk and the protrusion.
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