March 23, 2007
RFID Bottle Caps
NEC Corp and Toyo Seikan Kaisha, Ltd., both in Japan, have developed a plastic bottle cap with an embedded passive RFID chip. The cap could be used by soft drink manufacturers for the supply chain. It's design is said to be able to avoid any internal moisture, which would normally render the chip useless. [via RFID Weblog]
An alternative might be to use something like the edible RFID chip that Kodak recently debuted. There's also no reason the chip has to be on the inside of the bottle, where the moisture is. A second, hidden layer at the top of cap could hold one of the tiny powder RFID chips that Hitachi created.
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