Eriko Takase

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When a payment system with NFC/HF-RFID is installed in smart phone, their communication with 13.56 MHz is blocked by such metal as battery, coil and PCB. To solve this problem, magnetic sheet with high permeability is set between NFC/HF-RFID antenna and near-by metal. So far thin compound magnetic sheet or thin sintered ferrite has been used. In order to(More)
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