油墨扩散

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又称: dot gain bar gain

The tendency of printed bars to widen due to ink absorption, affecting barcode readability.

相关术语

Bar Width Reduction Substrate

…bearer bars, thick frames around the barcode that prevent ink spread from causing misreads on corrugated cardboard. Module…

…Corrugated board : ITF-14 with bearer bars (tolerates ink spread) Metal/glass : Data Matrix via direct part marking Curved…

…specifically for printing on corrugated cardboard where ink spread would make higher-density barcodes unreliable. Interleaved…

…+ GTIN-13) Corrugated board printing : Wide bars tolerate ink spread Flexographic printing : Can be printed directly on the…

…contrast, edge contrast Darker ink or lighter background Ink spread Decodability Reduce print darkness or apply BWR Voids in…

…and pressure Bar Width Reduction (BWR) To compensate for ink spread (gain), barcode artwork must be adjusted: Bars are reduced…

…contrast Modulation: D/F Inconsistent bar/space widths (ink spread or gain) Defects: D/F Voids in bars or spots in spaces…

…time) Print darkness Higher = bolder bars but risk of ink spread Label type Must match actual stock for calibration Print…