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公开(公告)号：US20230405918A1
公开(公告)日：2023-12-21
申请号：US18360580
申请日：2023-07-27
CPC classification number: B29C64/00 , B33Y10/00 , H05K1/092 , B22F1/054 , B22F2999/00 , B22F10/12 , B22F2301/255 , B22F2998/10 , B33Y70/10
Abstract: An additive manufacturing process for forming a metallic layer on the surface of the substrate includes fabricating a substrate from a polymerizable composition by a stereolithographic process, and contacting the reactive surface with an aqueous solution including a metal precursor. The metal precursor includes a metal, and the polymerizable composition includes a multiplicity of multifunctional components. Each multifunctional component includes a reactive moiety extending from a surface of the substrate to form a reactive surface. An interface between the reactive surface and the aqueous solution is selectively irradiated to form nanoparticles including the metal in a desired pattern. The nanoparticles are chemically coupled to the reactive surface by reactive moieties, thereby forming a metallic layer on the surface of the substrate.
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公开(公告)号：US20220268633A1
公开(公告)日：2022-08-25
申请号：US17743937
申请日：2022-05-13
Inventor： Yu Yao , Chao Wang , Chu Wang , Jing Bai , Ali Basiri , Xiahui Chen
Abstract: A method of fabricating a polarization sensor is described. It includes a quarter-wave plate to convert circularly polarized light into linearly polarized light. The quarter-wave plate is realized as a metasurface. The sensor also includes a linear polarizer to analyze the light generated by the quarter wave plate, and a photodetector to receive the analyzed light. The sensor may be combined with other linear polarization sensors to form a sensor capable of complete measurement of the polarization state of incident light.
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