Angle light color ink from the ink color effect pigments to achieve the light changes, the optical variable pigments with specific spectral characteristics by optical grinding and a series of color films were made of paint processing, optical color film is in the high Under vacuum in a specific membrane system design requirements will be followed by a variety of different refractive index material deposited on the same vector shape. Film thickness to meet the conditions of interference of light, was a series of rays of light after the interference effect, the color the human eye as a change in viewing angle changes, the color point of the optical effects of thin film optical variable ink is used The security key.
Usage: Widely used in all kinds of securities, the famous trademark, document notes, currency counterfeiting and other printed matter.
Products: (1) green to red, blue red series, (2) red to green line, (3) red to gold series, (4) yellow green line, (5) other colors such as several types of color And a variety of colors derived from screen printing ink, gravure ink, transfer type of stamping products and tamper-evident labels.
Features: The light intensity characteristics, color changes, printing features, clearly, easy to identify with the naked eye under white light, typical of the "security line"technology, in particular the security for the public identification of consumer goods or marketable securities The security, and there is a good decorative effect;
* Prints may not be copied, it can not effect the color point of high-resolution scanner, color copier and other equipment to copy;
* wide range of applications in paper, plastic and aluminum foil and other carriers on the printing, has good adhesion to substrate;
• Use simple, commonly used in printing can be implemented on-line production equipment;
• Use safe, non-radiation, non-toxic;
* performance stable, moisture, sun protection, corrosion resistance;
* product design and highly professional production technology, difficult to cover general business or personal;
* Production process complexity, the huge investment involved in machinery, optics, electronics, vacuum, ultra-fine grinding, surface chemistry and polymer materials and other disciplines |
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