INK TRANSFER RIBBON

An ink transfer band has (a) a microporous flexible substrate; (b) one or more optional intermediate layers; and (c) one or more layers of a transfer ink. The ink transfer ribbon is characterised in that the back side of the substrate has a surface roughness depth Rt of at least approximately 400 nm...

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Bibliographische Detailangaben
Hauptverfasser: WILKINSON, ROBERT IVAN, MCDONALD, DEREK ALEXANDER, HOGARTH, IAN W
Format: Patent
Sprache:eng ; fre
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