Implantable CMOS image sensor with incident‐angle‐selective pixels

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Angle-selective pixels fabricated by using metal layers of the image sensor chip are proposed. Four incident-angle-selective pixels share one aperture. The selective pixel has a peak at 40° and full width at half maximum of ∼23°. An image sensor composed of normal and angle-sensitive pixels was designed and fabricated. The reconstruction of a high-resolution image from the blurred image using five different views is demonstrated.