contain no chip or electronic circuit store information in the electromagnetic materials that comprise the tag.
Lower cost Lower data capacity (32 bits to a few hundreds)
Tags made of polymer semiconductors (聚合物半导体) are currently T d f l i d l develpoed by Philips and PolyIC
roll printable like a magazine
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IS&A Tag Market Size 2009
Price ($0.50 to $150)

reduced to 12.9 cents apiece by Alien Technology in Sep, 2005 now available in the 5-cent target from SmartCode in 2006 (in quantities of 100 million tags)
Source: Auto ID Center / EPCglobal , 2006
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IS&A Tag Components 2009
Chip
Antenna A t
CPU CPU
I/O I/O
RAM ROM RAM ROM Radio Tx/Rx Radio Tx/Rx Pwr Supply Pwr Supply
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IS&A RFID Reader 2009
高频 固 定 式 Active 手 持 Passive 式 低频
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IS&A Coding System for Products 2009
Bar Code

First patent in 1952.10.07. 1952 10 07 Commercial use first appears in 1966 not successful until the 1980s Universal Product Code (UPC) encodes 12 decimal digits cost about $0.005 to implement a barcode, compared to $ $ p , p $0.070.30 per passive RFID tag.
Source: Wikipedia
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IS&A Coding System for Products (contd.) 2009
2D barcode, lots of variants, e.g.,
PDF417
the most common 2D barcode, originated by Symbol Technologies, now Public Domain. up to 1100 bytes or 1800 ASCII characters can be encoded Ps. New high-density 2D barcode can encode 440bytes/cm2

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