Barcode encyclopedia : Symbology dataglyphs
- Created with Xerox PARC.
- Contain only small symbol, on the paper is printed only with silver color, used for coding binary data with synchronization codes and error correction.
- Each sign can be 0.01 inch small. Density of this code is 1000 8-bit data per square inch.
- Very good error correction, no problem if ink have some difussion, paper have troubles, some part of barcode is destroyed ...

