| 摘要 |
PURPOSE: A disk tray is provided to reduce noise level by forming an air flowing guide in a lateral side of disk installer. CONSTITUTION: The disk tray comprises a plurality of air flowing guide ribs. In the disk tray, the plurality of air flowing guide ribs are formed in a lateral side of disk install surface to disperse flowing of air while disk is rotating, and to guide the disk. The air flowing guide ribs are formed with a same angle in the generated air flowing direction while disk is rotating. The air flowing guide ribs is formed with streamline type and rectangular type. A section of streamline type rectangular type for the air flowing guide ribs is formed with a line form, or convex form or concave form.
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