Patent of the Month

The International Hologram Manufacturers Association (IHMA) Patent Newsletter is a monthly review of patents issued in the fields of security, decorative and data storage holography, along with holographic techniques, processes and displays.

In the ‘Printing Card Relief Microlens’ category of February’s edition of the newsletter, Wuhan Huagong Image Technology & Development discloses an application that provides a transparent anti- counterfeiting film and an anti-counterfeiting certificate card which relates to the field of anti-counterfeiting printing.

The transparent anti-counterfeiting film comprises a wear-resistant layer, a base film layer, an imaging layer, a dielectric layer, an anti-ultraviolet layer and an adhesive layer which are sequentially stacked, wherein holographic patterns are arranged on the surface, close to the dielectric layer of the imaging layer.