| 摘要 |
<p>FIELD: manufacture of falsification protected documents. SUBSTANCE: documents, such as banknotes, identification cards and like papers have at least one multilayer protective member composed of two layers of reaction lacquer and diffraction, in particular, holographic relief structures sandwiched between layers of lacquer. Reflective layer is applied between layers of lacquer. Paper protected against falsification may also be provided with such device. EFFECT: simplified laminated construction of protective device, improved laminar connection within protective member or between document and protective member. 32 cl, 10 dwgs</p> |
