Improvement of Shock Resistance for Solid Immersion Lens-Based Near Field Recording System Using Air-Bearing Surface
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概要
- 論文の詳細を見る
A solid immersion lens (SIL)-based near-field recording (NFR) device is regarded as the next-generation optical storage device that can achieve an areal density of more than 100 Gbyte/in.2. However, the NFR system is very weak to external shock because of the extremely small gap between the SIL and the disc. To solve this problem, we proposed a new method of using an air-bearing surface (ABS) to avoid collision between the SIL and the disc, and investigated the effect of the ABS on shock resistance in our previous study. In our current study, we optimize an initial ABS model using the results of our previous study and achieve an optimal ABS model with an improved shock resistance. We also verify the improvement of shock resistance for the optimal ABS model by finite element (FE) analysis, by applying the ABS model to a gap servo control system, and by experimental shock testing.
- 2010-08-25
著者
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Park No-cheol
Department Of Mechanical Engineering Yonsei University
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Park Kyoung-Su
Department of Mechanical Engineering, Yonsei Univ.
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Park Young-pil
Department Of Mechanical Engineering Yonsei University
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Lee Sang
Department Of Advanced Materials Science And Engineering Mokpo National University
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KIM Ki-Hoon
Department of Biomedical Engineering, Yonsei University
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Lee Yong-Eun
Korea Aerospace Industries Ltd., 802 Yuchen-ri, Sanam-myeon, Sacheon-si, Gyeongsangnam-do 664-710, Korea
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Lee Yonghyun
Department of Mechanical Engineering, YERC#332, Yonsei University, 262 Seongsanno, Seodaemun-gu, Seoul 120-749, Korea
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Kim Seokhwan
Department of Mechanical Engineering, YERC#332, Yonsei University, 262 Seongsanno, Seodaemun-gu, Seoul 120-749, Korea
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Kim Ki-Hoon
Department of Mechanical Engineering, YERC#332, Yonsei University, 262 Seongsanno, Seodaemun-gu, Seoul 120-749, Korea
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LEE Sang
Department of Acupuncture & Moxibustion, College of Oriental Medicine, Kyung Hee University
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Park Kyoung-Su
Department of Mechanical Engineering, YERC#332, Yonsei University, 262 Seongsanno, Seodaemun-gu, Seoul 120-749, Korea
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Lee Sang
Department of Mechanical Engineering, YERC#332, Yonsei University, 262 Seongsanno, Seodaemun-gu, Seoul 120-749, Korea
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Park Young-Pil
Department of Mechanical Engineering, YERC#332, Yonsei University, 262 Seongsanno, Seodaemun-gu, Seoul 120-749, Korea
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Kim Seokhwan
Department of Computer Science, Graduate School of Systems and Information Engineering, University of Tsukuba
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