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MICROLENSES

Fabrication of polymeric microlens of hemispherical shape using micromolding

[+] Author Affiliations
Su-dong Moon, Shinill Kang

Yonsei University, School of Electrical and Mechanical Engineering, 134 Shinchon-dong, Seodaemoon-ku, Seoul, Korea E-mail: snlkang@yonsei.ac.kr

Jong-Uk Bu

LG Electronics Institute of Technology, Device and Materials Laboratory, 16 Woomyeon-dong, Seocho-ku, Seoul, Korea

Opt. Eng. 41(9), 2267-2270 (Sep 01, 2002). doi:10.1117/1.1497617
History: Received Aug. 31, 2001; Revised Feb. 28, 2002; Accepted Mar. 1, 2002; Online September 04, 2002
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Polymeric microlenses play an important role in reducing the size, weight, and cost of optical data storage and optical communication systems. We fabricate polymeric microlenses using the microcompression molding process. The design and fabrication procedures for mold insertion is simplified using silicon instead of metal. PMMA powder is used as the molding material. Governed by process parameters such as temperature and pressure histories, the micromolding process is controlled to minimize various defects that develop during the molding process. The radius of curvature and magnification ratio of fabricated microlens are measured as 150 μm and over 3.0, respectively. © 2002 Society of Photo-Optical Instrumentation Engineers.

© 2002 Society of Photo-Optical Instrumentation Engineers

Citation

Su-dong Moon ; Shinill Kang and Jong-Uk Bu
"Fabrication of polymeric microlens of hemispherical shape using micromolding", Opt. Eng. 41(9), 2267-2270 (Sep 01, 2002). ; http://dx.doi.org/10.1117/1.1497617


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