Data Matrix so với Aztec Code

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Two 2D matrix symbologies with different design philosophies: Data Matrix uses an L-shaped finder, Aztec uses a central bull's-eye. Aztec requires no quiet zone.


  

    Data Matrix
    Aztec Code
  


  




  
  
  

    
Specification comparison

    

      

        Data Matrix and Aztec Code specifications side by side
        
          

            Specification
            Data Matrix
            Aztec Code
          

        
        
          
          

            Classification
            2D Matrix
            2D Matrix
          

          
          

            Symbology family
            2D Matrix Family
            2D Matrix Family
          

          
          

            Year introduced
            1987
            1995
          

          
          

            Developer
            RVSI Acuity CiMatrix
            Andrew Longacre (Welch Allyn)
          

          
          

            Data length
            variable
            variable
          

          
          

            Variable length
            Yes
            Yes
          

          
          

            Character set
            Full ASCII + binary data
            Full ASCII + binary data
          

          
          

            Maximum capacity
            2,335 alphanumeric or 3,116 numeric characters
            3,832 alphanumeric or 3,067 numeric characters
          

          
          

            GS1 data carrier
            No
            No
          

          
          

            Unicode encoding
            No
            No
          

          
          

            Binary data
            Yes
            Yes
          

          
          

            Minimum X-dimension
            0.254 mm
            0.254 mm
          

          
          

            Quiet zone
            1 module
            0 (no quiet zone required)
          

          
          

            Aspect ratio
            1:1 (square) or rectangular
            1:1 (square)
          

          
          

            Example payload
            DataMatrix2026
            AztecCode2026
          

          
        
      

    

    
Highlighted rows mark specifications where the two symbologies differ.

  

  

  

  

  

  
  

    
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