Infrared anti-counterfeiting ink characteristics application
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The advantages of infrared anti-counterfeiting ink: strong anti-counterfeiting, technical difficulty, simple use, almost no restrictions on any printing conditions. It can be printed by any printing method and is suitable for anti-counterfeiting printing of bills, securities, trademarks, etc.
First, infrared anti-counterfeiting ink characteristics
The near-infrared absorbing anti-counterfeiting ink is prepared by adding one or several kinds of near-infrared absorbing materials to 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 rays, such as using this ink in a certain part of the printed product, there is no in sunlight. Traces, but under the test instrument, the corresponding signal or dark image can be observed.
The near-infrared absorbing material is an organic polymer material, the material is synthesized at a high temperature, the production process is complicated, the technical difficulty is high, and the production cost is high. Therefore, the near-infrared absorbing anti-counterfeiting ink has high temperature resistance, stable light resistance and good anti-counterfeiting effect, and is difficult to copy. .
Second, the advantages and application effects of infrared anti-counterfeiting ink
The advantages of infrared anti-counterfeiting ink: strong anti-counterfeiting, technical difficulty, simple use, almost no restrictions on 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 near-infrared absorbing anti-counterfeiting ink is used alone, it can print any anti-counterfeiting pattern, one-dimensional barcode, and two-dimensional barcode without being restricted by any printing conditions.
The ink has different absorption characteristics for infrared rays (wavelength range 700nm～1500nm), and can also be matched to make non-absorbent infrared anti-counterfeiting ink and near-infrared absorption anti-counterfeiting ink. The non-absorbent infrared anti-counterfeiting ink is a printing ink that does not have an absorption effect on near-infrared rays. When used, it can be composed of a pair of near-infrared absorbing ink and non-absorbing infrared anti-counterfeiting ink. The anti-counterfeiting pattern or information printed by the near-infrared absorption anti-counterfeiting ink is hidden under the non-absorbing infrared anti-counterfeiting ink, so the anti-counterfeiting function is more concealed and the anti-copy function is stronger, and the anti-counterfeiting effect is better.
Third, near infrared absorption anti-counterfeiting ink recognition
1. Volkswagen first-line identification: near-infrared absorption filter recognition
Through the filter color film, the general pattern of infrared anti-counterfeiting ink printing can be seen, the identification is simple and convenient, the cost is low, and the public is easy to recognize.
2. Second-line general equipment: portable infrared monitor, inspection team identification
A fine pattern printed by a near-infrared absorbing anti-counterfeiting ink, such as a two-dimensional code pattern, can be read through a portable infrared monitor.
3. Speech recognition: intelligent speech recognition pen
Through the special voice recognition pen click, the infrared anti-counterfeiting ink information is read, and the identification is fast, simple and convenient, and the correct rate is high.
The two-dimensional bar code of the anti-counterfeiting ink absorbed by the near-infrared is colorless, and the anti-counterfeiting information can be read by the special speech recognition pen, which successfully solves the problem that the two-dimensional bar code can be read and prevented from being copied.