Optical sensor device and method for manufacturing an optical sensor device
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United States of America Patent
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Sep 10, 2024
Grant Date -
Dec 2, 2021
app pub date -
Sep 27, 2019
filing date -
Sep 27, 2019
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Abstract
An optical sensor device comprises a semiconductor body with a light-sensitive area, metal layers which are arranged above the light-sensitive area and comprise an upper metal layer and a lower metal layer, wherein the upper metal layer is located at a greater distance from the light-sensitive area than the lower metal layer. The optical sensor device further comprises an aperture opening in the metal layers above the light-sensitive area and a via structure, which is arranged outside the aperture opening and interconnects the metal layers and/or the semiconductor body. The via structure is arranged in such a fashion that any straight line that is parallel to the light-sensitive area and traverses the aperture opening between the light-sensitive area and the upper metal layer is limited in both of its opposite directions by the via structure.
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