A Data Matrix is a two-dimensional barcode consisting of black and white “cells” or modules . ISO/IEC —Data Matrix bar code symbology specification; ISO/IEC —2-D Print quality standard; ISO/IEC — Symbol. ISO/IEC. Second edition. Information technology — Automatic identification and data capture techniques — Data Matrix bar code symbology. ISO/IEC INFORMATION TECHNOLOGY – AUTOMATIC IDENTIFICATION AND DATA CAPTURETECHNIQUES – DATA MATRIX BAR CODE.

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Base mode data starts with a length indicator, followed by a number of data bytes.

Data Matrix

Use dmy dates from July Articles needing additional references from February All articles needing additional references All articles with unsourced statements Articles with unsourced statements from October Wikipedia articles needing irc from October Articles with unsourced statements from December Commons category link is on Wikidata.

On 19 May Judge Joan N. For each product run the unique code is supplied to the printer.

The resulting value of B1 is in the range 0— Manufacturers of bar code equipment and users of the technology require publicly available standard symbology specifications to which they can refer when developing equipment and application standards. In order to make that less likely, the length and data bytes are obscured by adding a pseudorandom value R nwhere n is the position in the byte stream. A Data Matrix is a two-dimensional barcode consisting of black and white “cells” or modules arranged in either a square or rectangular pattern, also known as a matrix.

For black on white codes testing 1022 required unless print quality is an issue, but all colour variations need to be tested before production to ensure they are readable. These methods give a permanent mark which can last up to the lifetime of the component. Please help improve this article by adding citations to reliable sources.


Multiple encoding modes are used to store different kinds uec messages. A Data Matrix symbol can store up to 2, alphanumeric characters. Control codes are provided to switch between modes, as shown below.

Barcode reader Barcode printer. Also shown are the end-of-message code marked Endthe padding P and error correction E bytes, and four modules of unused space X. Unsourced material may be challenged and removed. Ios varies in the amount of error correction it offers, with ECC offering none, and ECC offering the greatest.

A German patent application DE was filed inand published in The message read ” Hello, World! Monday to Friday – The C40, Text and X12 modes are potentially more compact for storing text messages. C40 is primarily upper-case, with lower-case letters in Set 3.

For example, dot-peened cells are generally round. Data Matrix codes, along with other open-source codes such as 1D barcodes can also be read with mobile phones by downloading code specific mobile applications. Data Matrix codes are 160222 verified using specialist camera equipment and software.

Every Data Matrix is composed of two solid adjacent borders in an “L” shape called the “finder pattern” and two other borders consisting of alternating dark and light “cells” or modules called the “timing pattern”.

The information to be encoded can be text or numeric data. Label artwork is required to allow the 2D Data Matrix to be ifc for optimal scanning. While the ruling was delivered after the patent expired, it precluded claims for infringement based on use of Data Matrix prior to November Codes are maintained internally on a food manufacturers database and associated with each unique product, e.


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Data Matrix – Wikipedia

It specifies the Data Matrix symbology characteristics, data isso encodation, symbol formats, dimensions and irc quality requirements, error correction rules, decoding algorithm, and user-selectable application parameters. It applies to all Data Matrix symbols produced by any printing or marking technology. This article needs additional citations for verification. Final text received or FDIS registered for formal approval. Symbols have an even number of rows and an even number of columns. Some characters are split in two pieces, such as the initial W, and the third ‘i’ is in “corner pattern 2” rather than the usual L-shaped arrangement.

The diagrams below illustrate the placement of the message data within a Data Matrix symbol. All symbols utilizing the ECC through error correction can be recognized by the upper-right corner module being the inverse of the background color. District Court in Minnesota ruled in oec of Cognex. The encoding process is described in documents published by ISO web site.

Extended Channel Interpretation ifc. Data Matrix is a two-dimensional matrix symbology which is made up of nominally square modules arranged within a perimeter finder pattern.

Although the majority of these mobile readers are capable of reading Data Matrix, [ citation needed ] few extend the decoding to enable mobile access and interaction, whereupon the codes can be used securely and across media; for example, in track and trace, anti-counterfeit, e.