Dolda2000 writes: "Hitachi recently unveiled their newest RFID product: a 0.05 x 0.05 millimeter "powder type" RFID chip (for you barbarians in the west, 0.05 mm is roughly 2/1000 inch). From the article: "Like mu-chips [...] the new chips have a 128-bit ROM for storing a unique 38-digit ID number." and "But since existing tags are already small enough to embed in paper, it leads one to wonder what new applications the developers have in mind.". It seems they hope to get them to market in 2-3 years."
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