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Hitachi develops RFID powder
14 Feb 2007
http://www.pinktentacle.com/2007/02/hitachi-develops-rfid-powder/#c...
Hitachi develops super-tiny RFID chips ---
Hitachi’s new RFID chips (pictured on right, next to a human hair) are 64
times smaller than their mu-chips (left)
RFID keeps getting smaller. On February 13, Hitachi unveiled a tiny, new
“powder” type RFID chip measuring 0.05 x 0.05 mm — the smallest yet — which they
aim to begin marketing in 2 to 3 years (Information from 2007!!!).
By relying on semiconductor miniaturization technology and using electron beams
to write data on the chip substrates, Hitachi was able to create RFID chips 64
times smaller than their currently available 0.4 x 0.4 mm mu-chips. Like mu-chips,
which have been used as an anti-counterfeit measure in admission tickets, the
new chips have a 128-bit ROM for storing a unique 38-digit ID number.
The new chips are also 9 times smaller than the prototype chips Hitachi unveiled
last year, which measure 0.15 x 0.15 mm.
At 5 microns thick, the RFID chips can more easily be embedded in sheets of
paper, meaning they can be used in paper currency, gift certificates and
identification. 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.
[Source: Fuji Sankei]
http://www.pinktentacle.com/images/hitachi_rfid1.jpg
Hitachi’s new RFID chips (pictured on right, next to a human hair) are 64 times
smaller than their mu-chips (left)