| 摘要 |
The shielding device (2) comprises a parabolic shield with a fastener at the foot of the parabola. The convex surface of the parabola is covered with an embossed pattern, and the concave surface has been specially treated and is adaptable to different mobile phone antennae diameters. POLYMERS - The shielding device is made from a mixture of polymers such as ABS, polyamides, polybutylene terephthalate (PBT) or polyoxymethylene, and small metal fibres chosen from ferrite, chromium, nickel or magnesium. |
