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    High-performance optical pick-up actuator with singlet objective lens for BD/DVD/CD compatible drive

    For perfect compatibility of BD/DVD/CD, a heavy objective lens assembly is inevitable. However, BD format needs very high transfer rate to edit the contents of HD media, without delay. And performance of an op...

    Byung Youn Song, Young Bin Lee, Dae Jong Jang, Jong Kook Lee in Microsystem Technologies (2007)