Image
EAN-139780761438069   EAN-13 barcode 9780761438069
Product NamePaper (How Is It Made?)
LanguageEnglish
CategoryBook / Magazine / Publication
Short DescriptionBinding
Amazon.comA Buy on Amazon ~ 0761438068
SKUNU-BNT-00415985
Price New7.56 US Dollars    (curriencies)
Price Used3.57 US Dollars    (curriencies)
Width0.3 inches    (convert)
Height10.9 inches    (convert)
Length9.1 inches    (convert)
Weight12.8 ounces    (convert)
AuthorWendy Blaxland
Page Count32
BindingLibrary Binding
Published12/01/2008
FeaturesUsed Book in Good Condition
Long DescriptionThe main focus of the How are they Made? Series is turning raw materials into products through mass or smallscale production.
Created11-08-2012 5:06:22pm
Modified09-30-2017 11:33:47am
MD5b4ae84bab42d743fc0206b98bf23caa5
SHA2567f23d68f5860614d526a7d2880cc4b596e2014c71d03e5927b1c9f6b7ae1ceb8
Search Googleby EAN or by Title
Query Time0.0022891

A Data Matrix code is a two-dimensional barcode make up of blocks of black and white modules put together to make either a square or rectangular pattern. The information to be encoded can be text or raw data.

Normally, data size is from a few bytes up to 1,556 bytes. The length of the data depends on the symbol dimension used. To make sure the data can be read even when the pattern is slightly damaged, error correction codes are added which increase symbol strength. A Data Matrix symbol can store up to 2,335 alphanumeric characters. Here is a sample you can scan.

Barcode Data Matrix

Data Matrix symbols are rectangular in shape and usually square. As more data is added, modules are put together to allow for the data and error correction. Each module can be identified by the "L" shaped black line that runs down the left and across the bottom of each module. In the sample shown above, there are four modules. These "L" shaped sections are known as the "finder pattern". The top and right border of each module are made up of alternating light and dark blocks. Light blocks represent 0 (zero) and the dark blocks represent 1 (one). These are known as the "timing pattern". All of the blocks in the middle of each module make up the data and check codes. The entire pattern can range in size from 8x8 to 144x144 in size.

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