Japan’s Techno Links Corporation (Headquarters: Sapporo City) teamed up with the Hyogo Paperboard Carton Industry Association in Japan to use paper as a substrate to develop a new type of RFID tag. Cardboards with RFID tags can also be recycled directly. Since the antenna can be printed on paper, cheap RFID tags can be produced. It has been confirmed that the communication distance can reach 80cm. In the future, it is planned to further increase the communication distance and strive for practical application as soon as possible.
At present, ordinary RFID tags use an etching method to form an antenna on a PET resin substrate. Therefore, when used on a paper or cardboard box, it must be removed from the paperboard when it is recycled.
The RFID tag developed this time uses paper impregnated with glass as the substrate. Since plain paper varies in size due to humidity, it is difficult to ensure stable communication performance. By impregnating the glass material, the dimensional change caused by humidity can be suppressed.
The antenna is printed using ink containing silver as its main component. In order to reduce the resistance and adjust the composition of the ink, only a very thin thickness is needed to ensure the communication distance of the antenna. The antenna thickness is about 15μm.
These materials "will not have any adverse effects" in the paper recycling process (Shi Tan Wenshou, director of Techno Links). In addition, since the communication chip used has a large specific gravity, it can be easily extracted when it is recycled, and thus the RFID tag can be recycled without removing the RFID tag. (Reporter: Kimura know history)
At present, ordinary RFID tags use an etching method to form an antenna on a PET resin substrate. Therefore, when used on a paper or cardboard box, it must be removed from the paperboard when it is recycled.
The RFID tag developed this time uses paper impregnated with glass as the substrate. Since plain paper varies in size due to humidity, it is difficult to ensure stable communication performance. By impregnating the glass material, the dimensional change caused by humidity can be suppressed.
The antenna is printed using ink containing silver as its main component. In order to reduce the resistance and adjust the composition of the ink, only a very thin thickness is needed to ensure the communication distance of the antenna. The antenna thickness is about 15μm.
These materials "will not have any adverse effects" in the paper recycling process (Shi Tan Wenshou, director of Techno Links). In addition, since the communication chip used has a large specific gravity, it can be easily extracted when it is recycled, and thus the RFID tag can be recycled without removing the RFID tag. (Reporter: Kimura know history)
Source: Nikkei BP
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