发明申请
US20080311517A1 INKLESS PRINTING PAPER AND METHOD 失效
无缝打印纸和方法

INKLESS PRINTING PAPER AND METHOD
摘要:
An image forming medium includes a substrate and an imaging layer coated on or impregnated into the substrate, where the imaging layer includes a photoacid generator and an acid-base indicator. In the image forming medium, irradiation of the imaging layer causes the photoacid generator to generate an acid that reacts with the acid-base indicator to produce an image.
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