Peking University Deli Technology Introduces Invisible Bar Code Overlay Anti-counterfeiting Ink

Hidden bar code anti-counterfeiting technology is the latest technology in the anti-counterfeiting industry. It has been widely used in the management of books, magazines, tickets, invoices, goods, etc. The important areas of true and false identification are now limited by Deli Technology, Peking University. The company successfully brought to market.

Hidden bar code anti-counterfeiting technology is a new type of anti-counterfeiting technology that combines advanced bar code coverage technology and bar code scanning technology. The detection principle is the use of optical transmission theory, using a dedicated bar code scanner, under a specific wavelength light source, through the cover layer Reading the barcode information under the cover layer; or through a dedicated camera lens, the image information under the overlay is observed on the display. Hidden bar code anti-counterfeiting technology is divided into three products, namely:

(1) Invisible bar code special coverage security ink

(2) Hidden Barcode Scanner

(3) Hidden Barcode Dedicated Camera System

"Invisible bar code special coverage security ink" is the latest anti-counterfeiting ink variety introduced by Peking University. It belongs to solvent ink and is suitable for over-printing of various standard bar codes and identification information. Its use of high-tech anti-counterfeiting materials, high-performance resin materials and advanced production technology and equipment production, product anti-counterfeiting and printing quality to reach the advanced level at home and abroad.

The product is specially used for the over-printing of various international and domestic standard barcodes and logo information. The covered colors are black and blue.

After the product is overwritten with various barcodes and information, the original contents of the barcode can be accurately displayed under the scanning using the accompanying “Special Scanner for Hidden Barcodes”; it can also be observed through the hidden barcode dedicated camera system. Identification. The use of this ink requires a screen mesh of 200-240 mesh. It has good printing adaptability and drying property, and it can be fully stirred even before use. Usually, it can be printed without any adjustment. If adjustment is needed, it can refer to the method of using ordinary screen printing ink. The diluent is 783 (ie, cyclohexanone), which can increase the anti-counterfeiting function.

For example, fluorescent anti-counterfeiting technology can be added, and bright red fluorescence can be displayed under ultraviolet light irradiation. According to customer needs, this product can also be adjusted to water-based ink.