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本专利阐述一种宽频带螺旋天线,它是由位于很薄的介质基片两面上的金属箔组成,还有一个微带馈电装置,它是用一个螺旋天线臂作为微带馈线的接地面。
This patent describes a broadband helical antenna consisting of metal foil on both sides of a very thin dielectric substrate and a microstrip feed device which uses a helical antenna arm as the ground plane of the microstrip feeder .