Bar Code Symbols 

Bar Code Terminology  
UPC  Usage  Used primarily by Retail Industry, in U.S.A. and Canada. One dimensional, continuous, four element widths and fixed length. Left 610 digits assigned by Uniform Code Council, rest to total of 11 digits is selected by you, 12th is check digit, calculated by mod 10 formula. Version A is 12 digits. Version E is 6 digits. A 2digit addon is used by periodicals and a 5digit addon is used on paper back books and greeting cards. On January 1, 2005 this symbology will look like EAN and it will be called GTIN (Global Trade Item Number) 
Character set  09 only  
Module Width (X)  0.013" @ 100%  
Height  1.02" @ 100% (from top of the bars to bottom of the numbers, if you don't have a decimal ruler use 1 1/16")  
Width  1.235" @ 100%  
Quiet Zone  0.117" @ 100% (if you don't have a decimal ruler use 1/8")  
Range  80%  200% for press printed (76% for thermal transfer and laser printed, but must use height and quiet zone requirements of the 80% symbol)  
EAN  Usage  Used primarily by Retail Industry, in Europe and the rest of the world and is a superset of U.P.C. One dimensional, continuous, four element widths and fixed length. Left 711 digits assigned by EAN governing body, rest to total of 12 digits is selected by you, 13th is check digit, calculated by mod 10 formula. EAN13 has 13 digits and EAN8 has 8 digits. 
Other Specifications  See UPC for all the other specifications.  
Bookland EAN  Usage  Used only
by the book industry. It is an EAN13 with 5digit addon. Based on ISBN
assigned by R. R. Bowker. Starts with Country code of 978, followed by the
left 9 digits of ISBN, 13th is check digit, calculated by mod 10 formula. For add on, start with 5 for U.S. Dollars followed with price ($7.95 > 50795) if no price, must put 90000 for the 5 digit addon. 
Width  1.971" @ 100%  
Other Specifications  See UPC for all the other specifications.  
Interleaved 2 of 5 (I2of5)  Usage  Used primarily
by distribution industry. High density, selfchecking, continuous. Every
character encodes two digits, one in the bars and on in the spaces therefore
the symbol must have even number of digits. Ratio: 
Character set  09 only  
Module Width (X)  0.0075" min.  
Height  15% of width, 0.25" min.  
Width  Variable  
Ratio  23, 2.2 min. for X<0.02"  
Quiet Zone  10X, 0.25" min.  
Shipping Container Code (UCC14 )  Usage  Based
on Interleaved 2 of 5, Must have 14 digits. 1st digit based on packaging level, 2nd digit 0, 3rd to 13th same as UPC (or 2nd to 13th same as EAN). 14th is check digit, calculated by mod 10 formula. 
Module Width (X)  0.040" @ 1.00 Magnification  
Height  1.25" @ 1.00 Magnification  
Width  4.82" @ 1.00 Magnification  
Ratio  2.5  
Quiet Zone  0.40" @ 1.00 Magnification(if you don't have a decimal ruler use 13/32")  
Range  0.7 to 1.2 Magnification Factor for printing on corrugated. (0.625 to 1.2 Magnification Factor for labels)  
Other Specifications  See Interleaved 2 of 5 code for all the other specifications.  
Codabar  Usage  Used primarily by libraries, blood banks air parcel industry. Discrete, selfchecking, variable length. Four different start/stop characters allow useful in formation to be encoded in these overhead characters. 
Character set  09,  $ : / . + (A, B, C, D as start/stop)  
Module Width (X)  0.0075" min.  
Height  15% of width, 0.25" min.  
Width  Variable  
Quiet Zone  10X, 0.25" min.  
Code 3 of 9 (Code 39)  Usage  First and the most popular alphanumeric bar code. Used by a wide range of industries. Discrete, selfchecking, variable length. Mod 43 check digit is optional for security. Extended version will code lower case and ASCII. Readers must be programed to decode the extended format. 
Character set  09, AZ,  . space $ / + %  
Module Width (X)  0.0075" min  
Height  15% of width, 0.25" min.  
Width  Variable  
Ratio  23, 2.2 min. for X<0.02"  
Quiet Zone  10X, 0.25" min.  
HIBC

Usage  (Health
Industry Bar Code) Used primarily by health industry. Based on code
39 with mod 43 check digit. Must start with a "+" 
Other Specifications  See code 3 of 9 for all the other specifications.  
Code
128

Usage  Newest of the popular bar codes, very high density, variable length, continuous, multiple widths, and has internal check digit. There are three sub sets, A, B & C. in Sub set C, 00 to 99 only, must have even number of digits.  
Character set  All 128 ASCII characters  
Module Width (X)  0.0075" min.  
Height  15% of width, 0.25" min.  
Width  Variable  
Quiet Zone  10X, 0.25" min.  
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