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BD Recorder용 3축 독립구동 Twin-Objective 액추에이터 개발
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  • BD Recorder용 3축 독립구동 Twin-Objective 액추에이터 개발
  • Development of Twin-Objective Actuator with Radial Tilt Function for Blu-Ray Disc Recorder
저자명
김석중,허태연,김태경,안영만,정종삼,박수한,Kim. Seok-Jung,Heor. Tae-Youn,Kim. Tae-Kyung,Ahn. Young-Man,Chung. Chong-Sam,Park. Soo-Han
간행물명
정보저장시스템학회논문집
권/호정보
2005년|1권 2호|pp.121-126 (6 pages)
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정보저장시스템학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Recently, an optical disc system has been proposed using blue laser diode, high NA objective lens and groove only disc structure. A new method is needed to readout CD and DVD in this Blu-Ray Disc Recorder. In order to readout CD and DVD in Blu-Ray Disc Recorder, we adopted dual-lenses actuator in consideration of optical utilization efficiency, optical performance and insurance of sufficient W.D(working distance). This dual-lenses actuator has two objectives in radial direction, one is for CD/DVD and the other is for BD. We had to solve the induced problems of collision between disc and lens, DC tilt increase, AC tilt increase, 2nd resonance deterioration and AC sensitivity drop caused by disposing two lenses in an actuator. Also we developed high response twin- objective actuator with radial tilt function to apply high-speed BD Recorder or BD Player. Consequently we presented that two kinds of dual-lenses actuators for BD Recorder have been possessed good performance in 3 axis directions. And we measured eye patterns of CD, DVD and BD by using one BD optical pick-up with dual-lenses actuator.