WebAbstract. Optically Variable Inks (OVI) are printing inks containing high precision, multi-layer interference filters as their constituent pigment. They display a strong and unique color … WebOptical Variable Ink (OVI), Rainbow printing (cetak pelangi) Terdapat benang pengaman; Gambar tersembunyi (Latent Image) Cetak intaglio, Kode tuna netra; Tanda air; …
US5171363A - Optically variable printing ink - Google Patents
WebJun 14, 2024 · This is ink that changes colour depending on the light used to look at it. Optically variable inks are substance features according to the ICAO’s Doc 9303 and are also machine readable. In fact, passports make use of special printing techniques as well as custom inks, threads and papers to make them next to impossible to forge. WebAn optically variable coating is provided on the surface of the web. The coating is separated from the web to produce a plurality of flakes of the optically variable coating. The size of … fnb silverton branch
About: Optically variable ink - DBpedia
WebAs one of PURA’ business unit to support security printing in Total Security System, Printing Ink Unit offers several kinds of inks for security printing. Pura Group is one of the few companies in the world that produce Optical Variable Ink. Our Security Ink products include: Durable ink. Invisible ink. Bi-Fluorescent Ink. Iridescent Ink. WebLooking for optical variable ink? Highquality optical laser is used for writing on paper. In AliExpress, you can also find other good deals on ink! You can shop for optical variable … WebOptical Variable Ink. Optical variable ink is the most complicated intervention-type anti-forgery ink. The printing products using this ink has colorful metal luster in which color lump shows a pair of colors, red-green, green-purple,green-blue and golden-silver, for example. Let me show you with the pictures: Sample as you can see. fnb shuttle