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公开(公告)号：US20240384237A1
公开(公告)日：2024-11-21
申请号：US18641674
申请日：2024-04-22
Inventor： Dong Sung KIM , Jae Seung YOUN
Abstract: The present disclosure relates to a double-layer structure including: a first layer composed of a gel composition; a second layer formed on the first layer and having an epithelial cell layer as at least a region coming into contact with the first layer; and a wrinkle structure formed thereon by means of compressive forces applied from the outside thereto, the wrinkle structure having at least one or more crests or troughs formed thereon in a state where the first layer and the second layer are connected to each other.
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