| 摘要 |
<p>A security element of the hologram type and the like for preventing counterfeiting and falsification for documents in general, which comprises a layer of holographic material (10) and initially can be optionally connected to a background layer (11) with a release layer and an optional protective layer interposed. The layer of holographic material (10) is associated with a monochrome background layer (11). There is also an adhesive layer for connecting the security element to a document in general. The particularity of the invention is constituted by the fact that it comprises on the background layer (11), regions that are chromatically different (12) from the background and are visually detectable.</p> |
