ITF-14
Bearer bars, the heavy rectangular frame printed around the symbol, are the defining feature of ITF-14, and they exist to defeat one specific failure mode: a scan crossing only part of a symbol on corrugated board would otherwise return a truncated but plausible number. Framing the bars forces an incomplete scan to fail instead. The payload is exactly fourteen numeric digits, a GTIN-14 identifying a trade item at case or carton level, closing with a Mod 10 check digit. Dimensions are deliberately coarse, with a minimum X-dimension of 0.495 mm and a 32 mm bar height, because direct printing on corrugated substrate cannot hold fine detail. AIM and GS1 standardised the format in 1994. ITF-14 is a GS1 data carrier restricted to digits, and it conveys no batch, date, or serial data.
Un estándar de código de barras de 14 dígitos para identificar unidades comerciales a nivel de embalaje (cajas y cartones). ITF-14 utiliza barras portadoras —un marco rectangular grueso— para evitar que los escaneos parciales se lean incorrectamente, lo que lo convierte en el estándar mundial para contenedores de envío de cartón corrugado.
ITF-14
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