Importance

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Abstract

There is provided a light detecting device that can suppress corrosion of optical elements while suppressing upper layer color mixing. The light detecting device includes: a substrate on which a plurality of photoelectric conversion units are formed; a plurality of optical elements that are disposed on a rear surface side of the substrate; and a microlens array that is disposed on a rear surface side of the plurality of optical elements, and includes a plurality of microlenses. Furthermore, the optical element contains a metal material, and a surface on an optical element side of the microlens array is formed in contact with the rear surfaces of the optical elements so as to cover the rear surfaces and also serve as a protection film that suppresses corrosion of the metal material of the optical elements.

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First Claim