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What is the density of bar code?
From;    Author:Stand originally

The density of bar code: The character that points to a stopwatch of unit length to show several.
To a kind the code is made and character, density basically is decided by the dimension of module, module size is smaller, density is bigger, so density value expresses normally with the value of module dimension (like 5mil) . Normally the bar code under 7.5mil calls high density bar code, the bar code of 15mil above calls low density bar code, the density of bar code is higher, the function that asks bar code knowledge reads equipment (be like resolution) taller also. The bar code of high density is used at the object with little label normally, be like accurate electron component, low density bar code applies Yu Yuan to be apart from reading circumstance commonly, be like storehouse management.

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