| 摘要 |
A security document and a method of manufacturing a security document are provided in which a radiation curable ink 18 is applied to at least one side of a substrate 11 including at least one region of transparent plastics material, forming a half-window area 16 (26). The ink is embossed while soft and cured with radiation to form an embossed security device (19) within the half-window area which may include one or more of a diffractive structure, a lens structure or other security element having a relief structure. |
