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CAVITY-BACKED SLOT ANTENNA WITH NEAR-FIELD-COUPLED PARASITIC SLOT
CAVITY-BACKED SLOT ANTENNA WITH NEAR-FIELD-COUPLED PARASITIC SLOT
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机译:具有近场耦合寄生槽的腔体支承天线
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摘要
Electronic devices may be provided with antennas. The antennas may include conductive antenna cavities. Antenna resonating elements may be mounted in the antenna cavities to form cavity antennas. An antenna cavity may be formed from metal structures with curved edges that define a curved cavity opening. A flexible printed circuit substrate may be coated with a layer of metal. Slot antenna structures such as a directly fed antenna slot and a parasitic antenna slot may be formed from openings in the metal layer. The flexible printed circuit substrate may be flexed so that the antenna resonating element forms a non-planar curved shape that mates with the opening of the antenna cavity. A ring of solder may be used to electrically seal the edges of the cavity opening to the metal layer in the antenna resonating element. The curved opening may be aligned with curved housing walls in an electronic device.
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