CD-ROM capable of inhibiting vibration of CD tablet
A technology for optical discs and optical drives, applied to optical record carriers, instruments, information arrangements, etc., which can solve the problems of increasing the probability of disc fragmentation and fragmentation, difficulty in reading or writing data by the read-write head 112, and unstable vibration of optical discs And other issues
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[0021] Please refer to Figure 2a and Figure 2b , these two figures show the gas pressure distribution on the upper surface of the optical disc during high-speed rotation. What is shown in the figure is the situation viewed from directly above the optical drive, wherein, Figure 2a CD-ROM 20 with Figure 2b The optical drive 22, the distance between its optical disc and the optical drive loam cake is not the same. Figure 2a 20, the distance between the disc and the upper cover is 7.0 cm; as for Figure 2b The optical drive 22, the distance between its optical disc and the upper cover is then 3.5 centimeters. It can be clearly seen from the two figures that when the distance between the optical disc and the upper cover is relatively large, for example, Figure 2a If the center is 7.0 cm, the isobar distribution of the gas pressure on the surface of the disc will be quite messy during the high-speed rotation of the disc. At this time, since the airflow on the surface of ...
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