Hitachi unveils world's smallest RFID tags
Shipping companies and private detectives have much to marvel at; Treasury department considers embedding them in paper bills, but the technology is not entirelty mature; “like powder”
Those whose business it is to track something — whether they be shipping companies, spies, or jealous husbands — will immediately see why this is so interesting: Japan-based Hitachi has unveiled the world’s smallest RFID tag, and they mean small. At 0.05mm, they appear to the human eye as powder and are thin enough that they can be embedded in paper. Such would certainly appeal to the Treasury officials exploring the next generation of anti-countefeiting technology, to take one possible application, but there is one complicating factor. “They need an external antenna to work” the Associated Press reported, “and the smallest antenna developed so far is about eighty times bigger than the tags.” That is too bad, but at the pace that RFID tags are shrinking, we have no idea that problem will eventually.
-read more in this AP report
