KEM 2009 DOI: 10.4028/www.scientific.net/kem.407-408.359 View full text
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Takehisa Yoshikawa, Masayuki Kyoi, Yukio Maeda, Tomohisa Ohta, Masato Taya

Abstract: Patterning of numerous microlenses on a surface improves the optical performance of components such as liquid crystal displays. A cutting method using a diamond tool is examined to fabricate a molding die that employs arbitrary array patterns to mold millions of microlenses. The present paper investigates machining of microlenses on the order of 2 kHz, using a piezo-actuated micro cutting unit and a synchronous control system of the cutting unit with an NC controller. Experiments using this system revealed tha…

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