Sk hynix inc. (20250126910). IMAGE SENSING DEVICE
IMAGE SENSING DEVICE
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IMAGE SENSING DEVICE
This abstract first appeared for US patent application 20250126910 titled 'IMAGE SENSING DEVICE
Original Abstract Submitted
an image sensing device includes a substrate layer including a plurality of photoelectric conversion elements configured to generate photocharges, a plurality of color filters disposed over the substrate layer, a metal layer disposed between the color filters adjacent to each other, a buffer layer disposed over the metal layer, an air layer disposed over the buffer layer, and a capping layer formed to cover a stacked structure of the metal layer, the buffer layer, and the air layer. a region of the capping layer that covers the air layer is formed to have a larger thickness than the other regions of the capping layer that cover the metal layer and the buffer layer.