Abstract
To improve the aerodynamic stability in a flexible optical disk system with a cylindrically concaved stabilizer, the effects of the curvature of the stabilizer, disk thickness, and disk materials on aerodynamic stability were investigated. We clarified that these factors affect the effective working area of the stabilizer. This result shows that the effective working area of the stabilizer could be expanded by adjusting the curvature of the stabilizer, disk thickness, and disk material. We also demonstrated recording and reproduction at 4× speed for Blu-ray disc density using flexible optical disks with various thicknesses.
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