| 摘要 |
A hard disk carrier includes a receiving frame, a plane, and an electromagnetic shielding module. The receiving frame is used to hold a hard disk. The electromagnetic shielding module is mounted between the receiving frame and the plane. The electromagnetic shielding module defines a plurality of openings through the opposite ends. The edge of each opening extending outward from the surface and forming a cylinder peripheral wall, each opening and the peripheral wall corresponding to the opening forming a waveguide.
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