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20 August 2020 Curved mirror manufactured by customized 3D printed plastic mold
Seunghwan Lee, Hyungsoo Yoon, Yongtaek Hong
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Proceedings Volume 11487, Optical Manufacturing and Testing XIII; 1148712 (2020) https://doi.org/10.1117/12.2567374
Event: SPIE Optical Engineering + Applications, 2020, Online Only
Abstract
We report a facile fabrication method of curved mirror with 3D printed plastic mold. Polylactic acid (PLA) is used as material for plastic mold. Polydimethylsiloxane (PDMS) replica is obtained from PLA mold, followed by planarization with spin-coating of additional PDMS. After ultraviolet (UV) treatment of smoothened PDMS replica, aluminum (Al) layer is deposited by thermal evaporation. Due to smoothened surface of PDMS replica, Al layer shows clear reflected image without perceptible lines, thereby functioning as a curved mirror. We expect that our curved mirror will be applicable to display and imaging devices.
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Seunghwan Lee, Hyungsoo Yoon, and Yongtaek Hong "Curved mirror manufactured by customized 3D printed plastic mold", Proc. SPIE 11487, Optical Manufacturing and Testing XIII, 1148712 (20 August 2020); https://doi.org/10.1117/12.2567374
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KEYWORDS
Mirrors
Aluminum
3D printing
Femtosecond phenomena
Manufacturing
Ultraviolet radiation
Biomedical engineering
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