Code 93 is an advanced, compact alpha-numeric barcode that is designed to provide a higher density and data security enhancement compared to older barcode symbologies, particularly Code 39. It is capable of encoding the full ASCII character set, including uppercase letters, numbers, and an assortment of special characters. This makes Code 93 versatile and suitable for various industries, including retail, inventory management, and logistics.

Code 93 includes a built-in check digit for error detection, which ensures the accuracy of scanned data and enhances its reliability in environments where precision is crucial. The format uses a series of nine bars for each character, with three of these being wider than the others, which adds a layer of complexity and security to the data encoded. In its extended form, Code 93 can encode additional characters by using a two-character encoding system, effectively doubling its capacity to represent the entire ASCII set. This feature makes it exceptionally useful for applications that require encoding full alphanumeric data in a compact barcode format.

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