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echo: osdebate
to: John Beamish
from: Geo.
date: 2007-02-16 06:29:08
subject: Re: RFID `powder`

From: "Geo." 

Great, I'll take 3oz put it in a pen and carry it with me everywhere to
overflow any reader trying to tag me..

Geo.

"John Beamish"  wrote in message
news:op.tntkk61km6tn4t{at}dellblack.wlfdle.phub.net.cable.rogers.com...
http://www.technovelgy.com/ct/Science-Fiction-News.asp?NewsNum=939

The world's smallest and thinnest RFID tags were introduced yesterday by
Hitachi. Tiny miracles of miniaturization, these RFID chips (Radio
Frequency IDentification chips) measure just 0.05 x 0.05 millimeters.

The previous record-holder, the Hitachi mu-chip, is just 0.4 x 0.4
millimeters. Take a look at the size of the mu-chip RFID tag on a human
fingertip.

[JB:  image of a thing about the size of a pencil lead cross-section]

Now, compare that with the new RFID tags. The "powder type" tags
are some sixty times smaller.

[JB: Powder RFID chips next to a human hair -- both about the same diameter]

The new RFID chips have a 128-bit ROM for storing a unique 38 digit number,
like their predecessor. Hitachi used semiconductor miniaturization
technology and electron beams to write data on the chip substrates to
achieve the new, smaller size.

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