DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Data matrix barcode (upper left) on a box of medical sutures. A data matrix barcode is a two- dimensional barcode which encodes alphanumeric information as black and white modules arranged in either a square or rectangular pattern. It has many industrial applications, particularly in traceability, since the code can be scanned quickly and easily.
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