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標題: Optimising the performance of optical data storage drives based on a novel seesaw-swivel actuator for a holographic module
作者: Lin, Y.C.
Chou, P.C.
Hou, K.C.
Cheng, S.
Chiou, J.C.
Shih, H.F.
關鍵字: voice coil motor;disk-drive;design;head
Project: Micro & Nano Letters
期刊/報告no:: Micro & Nano Letters, Volume 6, Issue 7, Page(s) 571-574.
This Letter presents an optical module with a holographic optical element (HOE) for the small-form-factor pickup head. The proposed module is mounted on a novel seesaw swivel-drive mechanism with unique features, including a rotary actuator for track-following; in addition, a seesaw arm nutates along a pivot for laser focusing. Additionally, the actuating force is increased within the limit of actuator size constraints by using a Halbach-magnet-array in biaxial voice coil motors. Experimental assessment of the holographic module and actuator reveals that the HOE module ensures the optical performance and stability of the system, together with a performance superior to a classic hinge-type swing arm actuator, as attributed to enhanced durability and higher robustness.
ISSN: 1750-0443
DOI: 10.1049/mnl.2011.0135
Appears in Collections:期刊論文

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