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Design and analysis of a mini-linear actuator for optical disk drive

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3 Author(s)
Joon Hyuk Park ; Mech. Eng. Dept., Yonsei Univ., Seoul, South Korea ; Yoon Su Baek ; Young-Pil Park

Describes a mini-linear optical pickup actuator and virtual path method for analysis of an open magnetic circuit. The magnetic circuit of the proposed actuator becomes a closed circuit when the virtual path model is applied to the outer air magnetic flux. The validity of the virtual path method is proved using a finite-element method and force experiment. A frequency response experiment shows the availability of the proposed actuator as a radial direction actuator for optical disk drives.

Published in:

Magnetics, IEEE Transactions on  (Volume:39 ,  Issue: 5 )

Date of Publication:

Sept. 2003

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