Judy Martinez Nanotechnology will help distinguish fake watches from genuine
Scientists from the Swiss Research Institute have developed a new technology for applying distinctive signs to glass.
The technology is named DNAwatch and is being developed in collaboration with the École Polytechnique de lausanne, Lausanne. At its core, the technology is a new way to apply a nanoscopic watermark.
Using a special machine commonly used to make LEDs, the researchers have learned to apply a proprietary mixture of chemicals to the surface of glass in the form of vapor, forming photonic crystals. These crystals, in turn, are composed of ultra-thin layers of atoms that react to ultraviolet light, changing the transparency and color of the entire crystal. It is worth noting that with the help of different geometries of photonic crystals, different colors can be obtained.
This technology is planned to be used for watermarking watches to make it easier to distinguish a fake from a genuine Rolex. Thus, the glass of such a watch will look normal under normal lighting, but when using a special flashlight that emits ultraviolet light, the watermark will begin to appear on the surface of the glass that protects the dial.
According to a report from the creators of the technology, counterfeiting such a watermark will be as difficult as shoeing a flea. Not only will the manufacturers of fake watches need to know what chemicals and in what proportions are used to make photonic crystals, they will also need expensive equipment to watermark the surface of the glass.
It should be noted that the technology makes it possible to apply decals not only to glass surfaces, but also to ceramic and metal ones. At the moment, the creators of DNAwatch technology are looking for watch manufacturers interested in it.
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