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    • 5. 发明公开
    • OPTICAL DISK POLISHING DEVICE
    • POLIERVORRICHTUNGFÜROPTISCHE PLATTEN
    • EP1541283A1
    • 2005-06-15
    • EP02807762.6
    • 2002-09-02
    • ELM INC.
    • MIYAHARA, TakakazuGENOZONO, Jiro
    • B24B7/04
    • B24B29/04B24B7/16B24B7/228B24D13/147G11B23/505
    • An apparatus for polishing an optical disk according to the present invention includes a flange 24 holding a polishing body 20 such as sandpaper, a backup member 21 interposed between the polishing body 20 and the flange 24, a rotation table 12 holding an optical disk 10 as a polished body, a pressing unit 28 for pressing the polishing body 20 against the optical disk 10 with a predetermined contact pressure required for polishing and motors 26 and 14 for rotationally driving the flange 24 and the rotation table 12 respectively. The backup member 21 is deformable within the range of 0.05 to 0.3 mm when pressed with the predetermined contact pressure, which makes it possible to substantially equalize the contact pressure of the polishing body 20 against the optical disk 10 on the entire polishing surface and to prevent the occurrence of roundness on the periphery of the optical disk.
    • 根据本发明的用于抛光光盘的装置包括:保持诸如砂纸的抛光体20的凸缘24,插入在抛光体20和凸缘24之间的支撑构件21,将光盘10保持为旋转台12 抛光体,用于以抛光所需的预定接触压力将抛光体20按压在光盘10上的按压单元28,以及用于分别旋转地驱动凸缘24和旋转台12的马达26和14。 当以预定的接触压力按压时,支撑构件21可以在0.05至0.3mm的范围内变形,这使得可以在整个抛光表面上基本上使抛光体20与光盘10的接触压力相等,并且防止 在光盘周边出现圆度。