HOLOGRAM STICKER
Security holograms are labels with a hologram printed onto it for sale security reasons. Holograms on security labels are very difficult to forge because they are replicated from a master hologram which requires expensive, specialized and technologically advanced equipment. Holograms are classified into different types with reference to the degree of level of optical security incorporated in them during the process of master origination. The different classifications are described below:
2D/3D hologram, Dot matrix hologram, Flip Flop hologram, Electron-beam lithography hologram, Concealed images, Guilloché pattern (high resolution line patterns), Kinetic images, Microtexts or nanotexts, CLR (Covert Laser Readable) image, Computer-synthesized 2D/3D and 3D images, True colour image, Numbering/barcode/qr code printing hologram, Invisible uv logo hologram.