Fabrication of fresnel lens by glass molding technique |
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| Authors: | Chien-Yao Huang Chun-Chieh Chen Hsiao-Yu Chou Chang-Pin Chou |
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| Affiliation: | 135. Instrument Technology Research Center, National Applied Research Laboratories, 20, R&D Rd. VI, Hsinchu Science Park, Hsinchu, 300, Taiwan
235. Department of Mechanical Engineering, National Chiao Tung University, 1001 University Road, Hsinchu, 300, Taiwan
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| Abstract: | In this paper, we describe the fabrication of a Fresnel lens with a diameter of 15mm by a glass molding technique. Tungsten carbide and K-CSK120 were used as the materials of the mold and lens, respectively. The optimal parameters determined for the molding process included a molding temperature of 560 °C, a molding force of 300 N, a temperature holding time of 180 s, and a cooling rate of 18.5 °C/min. |
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