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PHOSERTEK CORPORATION was established in September 2020, an innovative start-up company in Hsinchu, Taiwan, with technique transfer from National Chiao Tung University (NCTU). PHOSERTEK takes the lead in Taiwan, possessing domestic and foreign patents of Photonic-Crystal Surface-Emitting Laser (PCSEL), and focusing on design, development, and manufacture of the PCSEL in accordance of customer demand.