The application of Printing Design Hologram Label in the field of packaging and printing has been increasing year by year. The packaging security of tobacco, wine, medicine, cosmetics and other products are inseparable from the laser holographic logo.
Laser holographic printing, ie laser rainbow holographic printing, is a high-tech printing process using optical technology. It can not only reproduce the original image of the original, but also show the different side shape of the original with the change of the position of the observation line of sight. The principle of the laser holographic image using white light diffraction grating makes the image effect changeable, colorful, colorful, color air With obvious levels, vividness, high information and technical content, laser holographic image production and copying technology is high in content, requires professionals, the processing technology is complicated, the equipment is expensive, and the image itself has features that are difficult to imitate. Therefore, it was in the 20th century. The era began to be widely used in the field of security. With the introduction of high-tech such as encryption holography, three-dimensional holography and true color holography, and the popularization and application of molded holograms made of two kinds of electro-aluminum films with tamper-evident and hot-stamping types, the security of laser holographic materials is greatly enhanced.
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