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A novel low-profile bow-tie patch antenna, which can be mounted on metallic objects for RF identification (RFID) applications is presented. This antenna is fabricated using a single layer printed circuit board with thickness of 1.5 mm without any via-hole or shorting plate. The RFID chip is connected to a small loop, which is magnetically coupled to the radiating body. The loop, as well as the radiating body, can be fabricated as a separate inlay, simplifying the manufacturing process and reducing its cost. A prototype has been fabricated and measured.
Microwave Theory and Techniques, IEEE Transactions on (Volume:57 , Issue: 5 )
Date of Publication: May 2009