Imaging array having improved surface-to-detector light transmission

Imaging array having improved surface-to-detector light transmission

A pixel sensor array includes a plurality of surface pixel sensors disposed in a substrate, a layer of dielectric material formed over the surface of the pixel sensors, a plurality of apertures formed in the dielectric layer each aligned with one of the surface pixel sensors and having an inner side...

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1. Verfasser: Ramaswami, Shrinath
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Sprache:eng
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BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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creator Ramaswami, Shrinath
description A pixel sensor array includes a plurality of surface pixel sensors disposed in a substrate, a layer of dielectric material formed over the surface of the pixel sensors, a plurality of apertures formed in the dielectric layer each aligned with one of the surface pixel sensors and having an inner side wall. A lining layer is formed on the inner side wall of each aperture and is substantially fully reflective to visible light. The lining layer is spaced apart from the surface of the substrate and has a smaller cross-sectional area than a cross-sectional area of each surface pixel sensor. A filler material substantially transparent to visible light is disposed inside of the reflective lining layer and has a top surface lying in the plane with the top surface of the layer of dielectric material. A microlens is disposed over the top surface of each aperture.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
title Imaging array having improved surface-to-detector light transmission
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