RFID Leak detection sensor using RFID tag

摘要

The present invention includes a first antenna unit and a second antenna unit disposed on the substrate to be spaced apart from each other, an integrated circuit chip disposed on the substrate and connected to the first antenna unit, the first antenna unit and the second antenna unit. It is disposed on the substrate so as to be interposed between the antenna, and provided with a leakage detection sensor using an RFID tag having at least one moisture absorbing portion containing an alkali metal chloride.