차세대 광 픽업 구동기를 위한 설계 변수Design Parameters of Optical Pickup Actuator for the Next Generation

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The demands of high data transfer rate and high recording density in optical disk memory device are being increased. In this paper, 4 design parameters for next generation optical disk are investigated. As for the high data transfer rate, two design parameters such as driving acceleration and transmissibility are introduced. As the high recording density is concerned, the minimum linearity and the tilt of the actuator are introduced. Two kinds of pickup actuator are used to evaluate the validity of the parameters through the simulation and the experiment. The 4-wire actuator has good linearity but bad stability and tilt characteristics, while the rotary and axis actuator has good stability for the external vibration but bad linearity. It is demonstrated that the newly proposed design parameters are available to design and evaluate quantitatively the performance of the actuator for the next generation optical disk.
Publisher
한국정밀공학회
Issue Date
2001-01
Language
Korean
Citation

한국정밀공학회지, v.18, no.1, pp.82 - 88

ISSN
1225-9071
URI
http://hdl.handle.net/10203/84399
Appears in Collection
ME-Journal Papers(저널논문)
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