Infrared Absorb Ink
Infrared absorbing anti-counterfeiting ink is made by adding one or several near-infrared absorbing materials into the ink, and the near-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. Because the near-infrared absorption ink absorbs infrared light, if this ink is used in a certain part of the printed product, there is no Traces, but under the detection instrument, the corresponding signal or dark graphics can be observed.
The near-infrared absorbing material is an organic polymer material. The material is synthesized at high temperature, the production and processing technology is complex, the technical difficulty is high, and the production cost is high. Therefore, the near-infrared absorbing anti-counterfeiting ink has stable high temperature resistance, light resistance and good anti-counterfeiting effect, and it is difficult to imitate.
First, the application of near-infrared absorption anti-counterfeiting ink
The advantages of near-infrared anti-counterfeiting ink: strong anti-counterfeiting, technical difficulty, simple to use, almost not limited by any printing conditions. It can be printed in any printing method, and is suitable for anti-counterfeiting printing of bills, securities, trademarks, etc.
When the near-infrared absorbing anti-counterfeiting ink is used alone, it can print any anti-counterfeiting pattern, one-dimensional barcode and two-dimensional barcode without any printing conditions.
Using the different absorption characteristics of the ink for infrared (wavelength range of 700nm ~ 1500nm), it can also be matched to make non-absorbing infrared anti-counterfeiting ink and near-infrared absorbing anti-counterfeiting ink. Non-absorbing infrared anti-counterfeiting ink is a printing ink that does not absorb near infrared rays. When used, a pair of near-infrared absorbing ink and non-absorbing infrared anti-counterfeiting ink can be formed. The anti-counterfeiting pattern or information printed by the near-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 near-infrared absorbing anti-counterfeiting ink is colorless, and the anti-counterfeiting information can be read with a special voice recognition pen, which successfully solves the problem that the two-dimensional barcode can be read and can be prevented from being copied.
Second,Identification of near-infrared absorption anti-counterfeiting ink
1. Volkswagen first-line identification: near-infrared absorption filter identification
Through the color filter, the general pattern printed by the near-infrared anti-counterfeiting ink can be seen, the identification is simple and convenient, the cost is low, and the public is easy to identify.
2. Second-line general equipment: portable infrared monitor, inspection team identification
Fine patterns printed with near-infrared absorbing anti-counterfeiting inks, such as two-dimensional coding patterns, can be read through a portable infrared monitor.
3. Voice recognition: intelligent voice recognition pen
Click through the special voice recognition pen to read the near-infrared anti-counterfeiting ink information, quickly identify, simple and convenient, and high accuracy.
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