| 摘要 |
A processed paper for documents protected from being reproduced comprising a paper substrate 10 having a front surface, a colored ink layer 20 and a silvery ink layer 30 printed in a pattern of grain or mesh all over on the front surface of the paper substrate or on the colored ink layer. The silvery ink layer may comprise a uniform distribution of narrowly spaced small diameter circles. The aluminium particles of the silvery ink layer may be protected from oxidation by a transparent overlying resin layer 40. The color of the ink layer 20 may be orange, brown or red. <IMAGE> |
