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Generate, Create and Print EAN-13 Images in .NET Applications
Terrek.com provides comprehensive EAN-13 barcode generator components for developers who needs to integrate EAN-13 barcode into .NET applications using various generation methods.
EAN-13Barcode Symbology Overview
Definition of EAN-13
EAN-13, formerly called European Article Number, is now named International Article Number, with the acronym EAN left. It is an upgrade version of UPC-A, being widely used through the global.
Application of EAN-13
Barcode Specification of EAN-13
EAN-13 Barcode Features Overview
EAN-13 Barcode Structure Overview
An EAN-13 includes, from left to right, a leading Quiet Zone, a normal Guard Bar Pattern, six symbol characters from number sets A and B, a centre Guard Bar Pattern, six symbol characters from number set C, a normal Guard Bar Pattern, and a trailing Quiet Zone.
The beginning 3 characters of EAN-13 refer to country code, followed by 4 characters representing manufacturer code, then the later 5 characters are production code, and the last one is Check Digit.
EAN-13 Barcode Dimension Overview
Barcode Width of EAN-13
The dimensions of EAN-13 should follow the following rules: a) The X-dimension is 0.33 millimeter (0.013 inch) in nominal size. b) Multiply the X-dimension by the module width of each bar and space (1, 2, 3 or 4), and you can get the width of each bar and space, and note that the characters 1, 2, 7 and 8 are not included, for which the bars and spaces are reduced or enlarged by one-thirteenth of a module to provide a uniform distribution of bar width tolerances. c) The minimum width of the quiet zone is 7X. d) The symbol length should be 113 modules, including the minimum Quiet Zones.
Barcode Height of EAN-13
The approximate height of the symbol, including the human readable information, is technically 25.9 millimeters (1.0 inch), complying with GS1 standard.
EAN-13 Check Digit Calculation Example
Before encoding an EAN-13 symbol, the software should calculate the checksum digit correctly which will be included in the barcode. Following are steps for calculating the check digit: