What is Infrared Absorb Ink?
Infrared-absorbing anti-counterfeiting ink is made by adding one or several near-infrared absorbing materials into the ink. The infrared absorbing material is an organic functional dye. It has absorption in the near-infrared region, the maximum absorption wavelength is 700nm~1100nm, and the oscillation wavelength falls in the near-infrared region. Since the near-infrared absorbing ink absorbs infrared rays, if this ink is used in a certain part of the printed matter, there will be no damage in sunlight. Traces, but under the detection instrument, corresponding signals or dark pictures and texts can be observed.
The infrared absorbing material is an organic polymer material, which is synthesized at high temperature, the production process is complicated, the technical difficulty is high, and the production cost is high. Therefore, the infrared absorbing anti-counterfeiting ink has high temperature resistance, stable light resistance and good anti-counterfeiting effect, and is difficult to imitate.
First. Application of infrared absorbing anti-counterfeiting ink
The advantages of infrared anti-counterfeiting ink: strong anti-counterfeiting, high technical difficulty, easy to use, almost not limited by any printing conditions. It can be printed by any printing method, and is suitable for anti-counterfeiting printing of bills, securities, trademarks, etc.
When the infrared absorbing anti-counterfeiting ink is used alone, it can print any anti-counterfeiting pattern, one-dimensional barcode and two-dimensional barcode without being limited by any printing conditions.
Utilizing the different absorption characteristics of inks for infrared rays (wavelength range 700nm ~ 1500nm), it can also be matched to make non-absorbing infrared anti-counterfeiting inks and near-infrared absorbing anti-counterfeiting inks. Non-absorbing infrared anti-counterfeiting ink is a printing ink that does not absorb near-infrared rays. When used, it can be composed of infrared absorbing ink and non-absorbing infrared anti-counterfeiting ink. The anti-counterfeiting pattern or information printed with infrared-absorbing anti-counterfeiting ink is hidden under the non-absorbing infrared anti-counterfeiting ink, so the anti-counterfeiting function is more concealed, the anti-copying function is stronger, and the anti-counterfeiting effect is better.
The two-dimensional barcode printed with infrared absorbing anti-counterfeiting ink is colorless, and the anti-counterfeiting information can be read with a special voice recognition pen, successfully solving the problem that the two-dimensional barcode can be read and prevented from copying.
Second. Infrared absorption anti-counterfeiting ink identification
1. Mass first-line recognition: near-infrared absorption filter recognition
The general pattern printed by infrared anti-counterfeiting ink can be seen through the color filter, the identification is simple and convenient, the cost is low, and the public can easily identify it.
2. Second-line general equipment: portable infrared monitor, inspectors can read fine patterns printed with near-infrared absorbing anti-counterfeiting ink through portable infrared monitors, such as two-dimensional code patterns.
3. Voice recognition: smart voice recognition pen
Click through the special voice recognition pen to read the information of infrared anti-counterfeiting ink, quickly identify, simple and convenient, and have a high accuracy rate.
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