The growth of optically variable features on banknotes the growth of optically variable features on banknotes lancaster, ian m. These devices using are easy to see but hard to replicate. The second commemorative note, dated 26 february 2001, was issued to celebrate the tenth anniversary of its liberation. The pixelgram, which is subject to patent, is an optically variable device based on a computerized procedure for producing an optically variable version of any given input picture, e. Types of holograms and ovds optically variable devices.
While the peso bill, the reflective coil carries the image of the small bsp logo and the southsea pearl. Prado dictionary list of frequently used terms and phrases in all supported languages. Optically variable devices ovds a revolution in anti. The threelayer coating has first and second partially transmitting absorber layers and a dielectric spacer layer disposed between the first and second absorber layers. Ca24024a1 ca0024024a ca24024a ca24024a1 ca 24024 a1 ca24024 a1 ca 24024a1 ca 0024024 a ca0024024 a ca 0024024a ca 24024 a ca24024 a ca 24024a ca 24024 a1 ca24024 a1 ca 24024a1 authority ca canada prior art keywords optically variable security device variable security exhibits thin film prior art date.
Find the perfect diffractive optically variable device stock photo. The two images a and b were obtained at different angles of tilt to the fixed light source. The ovd is often used as a security device and anti. The optically variable device can be used as a secure data storage medium for a large volume of data. Here, the capacity for holography to hold its own against other technologies will depend on. Insights into new ovds home international hologram. Itw security division resources white papers hologram. The 200 cordobas is now the worlds first circulating banknote to feature an image in latitude a substrateintegrated diffractive optically variable device dovd using silver nanoparticles that are not restricted to patch or stripe formats with the shape of a guardabarranco nicaraguas national bird. Hot embossing of diffractive optically variable images in.
The images embossed into bopp have displayed an optically variable effect when viewed in transmitted light. Appendix c intermediateterm feature descriptions a path to the. These standards stipulated that an optically variable ovd or equivalent device, which provides the same level of authentication and security as currently used in the uniform visa format, shall be used on the biographical data page and shall take the form of diffractive structures which vary from different angles incorporated into the. Seen only on the p500 and p bills, this patch is a colorchanging reflective foil that shows a parrot in the bsp logo for the p500 bill and the south sea peal in the clam of the p bill. In some embodiments, the optically variable device uses angle multiplexing to store machinereadable data and an image. Clear to cyan sealer technology embeds a transparent colorshifting ovd optically variable device, such as a patch or strip, into the credential. The following publications detail the work involved in the development of csiros optically variable devices.
The ovd optically variable device patch security feature was first time implemented on 500 and peso bills by the bangko sentral. Optically variable devices for use on bank notes optically variable devices for use on bank notes rolfe, john 19900401 00. Pdf printing via hot embossing of optically variable. How to determine if your new philippine peso bills are fake. The philippine peso, also referred to by its filipino name piso sign. For the 500 peso, the reflective coil bares the image of the small bsp logo and the bluenaped parrot. The ovd is often used as a security device and anticounterfeiting measure on money, credit cards and governmentissued. Transparent when viewed straight on, this optically variable device appears as.
Jun 03, 2004 the growth of optically variable features on banknotes lancaster, ian m. An optically variable security device comprising a thin film reflection filter structure 23 which exhibits a first optically variable effect. Micromanufacturing for document security optically. Oct 23, 2011 the ovd optically variable device patch security feature was first time implemented on 500 and peso bills by the bangko sentral. The evolution of dovids on banknotes linkedin slideshare. Latitude is a substrateintegrated diffractive optically variable device dovd that uses nanoparticles and is not restricted to a conventional applied patch or stripe format. What can be done with the technology to ensure it retains its preeminence and grows. Jul 09, 20 reflective foil the 500 and peso bank notes now have the optically variable device patch, reflective foil. The transparent window is transformed into an image usually a banknote denomination via light diffraction. Ovd optically variable device ovi optically variable ink pc polycarbonate photochromic ink photograph of the holder fixing methods photo patch glued eyelets rivets stapled photographic paper photographic process planchettes 1. Pdf printing via hot embossing of optically variable images.
Durability of optically variable devices on bank notes. Transparent when viewed straight on, this optically variable device. Micromirror based optically variable device embossed in black acrylic lacquer. Mass produced by embossing into hot stamping foil, these diffractive microstructures have proven to be a highly effective solution to counterfeiting. Lee ra, l mccarthy, et al a method of forming a diffractive authentication device, australian provisional patent no. An optically variable device and method of manufacturing the device is disclosed, the device including a plurality of zeroorder diffraction grating elements some of which are modulated such that a coloured at least partially polarized image is visible to a person viewing the device, observing a first optically variable effect when the device is rotated about an axis. Nov 25, 2011 an optically variable device often abbreviated as ovd is a security feature that changes how it appears to the viewer. Jun 22, 2016 the 200 cordobas is now the worlds first circulating banknote to feature an image in latitude a substrateintegrated diffractive optically variable device dovd using silver nanoparticles that are not restricted to patch or stripe formats with the shape of a guardabarranco nicaraguas national bird. Ovds fall broadly into the two categories of diffraction and colour shift. The new florida driver license and id card allows for the identification of sexual predators and sexual offenders with a blue identifier on the. For the 500 peso, the reflective coil bares the image. The ngcs optically variable device ovd patch also garnered the best new currency feature at the conference. Holograms are incorporated into banknotes as security threads, stripes, patches and latterly as window features.
Similar regional awards are made at our other events in asia and latin america. Us patent application for embossed optically variable devices. Ovid was developed in the csiro division of manufacturing science and technology from the year 2000 onwards. Transparent when viewed straight on, this optically variable device appears as a cyan color when viewed at an angle. Diffractive optically variable device stock photos. Best banknote and id document high security printing emea plays host to two prestigious industry awards, which celebrate outstanding achievement in banknote and id security. Phei lok inventions, patents and patent applications justia. Integrated optically variable security element, which comprises. However, the most widely recognized form of ovd, the diffractive optically variable image device or dovid, of which holograms are a particular class, cannot be copied by these electronic means and, therefore, are used increasingly in a wide range of applications. Embossed prints, serial number, security fibers, watermark, seethrough mark, concealed value, security thread, optically variable device, optically variable ink.
The hdovds can exist in the form of patches 50 percent of holograms used for currency worldwide are this type. Phei lok inventions, patents and patent applications. Transparent optically variable device comprising a symmetric threelayer coating. The optically variable device can be used as a secure. The ovd is often used as a security device and anticounterfeiting measure on money, credit cards and government issued. The most notable change for the note is the bank logos patch, now a holographic patch instead of an optically variable device patch and a.
This easy to recognise level 1 feature can be validated in both reflection, with the holographic effect easily viewed by tilting the banknote in any direction, as well. The biggest usp of the hologram as compared to most other optically variable and other overt features in the banknote is its ability to attract attention. By its very nature document security microtechnology is a subject much less able to be discussed in an open manner than many other areas of research and application. The result provide holographic effect when tilted, that is enhanced by a latent image produced by embossing which is not visible without tilting fig. Optically variable devices ovds an optical variable device or optically variable device ovd is an iridescent image that exhibits various optical effects such as movement or color changes. Seen only on the p500 and p bills, this patch is a colorchanging reflective foil that shows a parrot in the bsp logo for the p500.
Recognised travel documents list of travel documents which entitle the holder to cross the external borders and which may be endorsed with a visa, according to decision no 11052011eu of the european parliament and of the council of 25 october 2011. Public reception days after its release, new generation currency ngc banknote series came under fire for its designs as critics slammed the bsp for approving errorfilled bills. The optically variable device encodes the data using spectral signatures such as colors as variables. How to determine if your new philippine peso bills are. Optically variable intaglio device ovid, a response to counterfeiters increasing sophistication while exelgram certainly achieved all of its technical objectives and had well demonstrated its anticounterfeiting capabilities via its performance on several commercial projects, it was clear by the end of the 1990s that the counterfeiters. Seethrough registration device all banknotes 5mmwide 3d security thread peso notes 4mmwide metallic security thread 100, 200, and 500 notes 2mmwide embedded security thread 20 and 50 peso notes optically variable device patch 500 and peso notes optically variable ink peso notes uv light all banknotes errors edit. An optically variable device often abbreviated as ovd is a security feature that changes how it appears to the viewer. This provides a feature that can be validated in both reflection, with the holographic effect viewed by tilting the banknote in any direction, as well as in transmission. Summary of secuirty features security features anti. Secure personalization its not just black and white. An optically variable device and method of manufacturing the device is disclosed, the device including a plurality of zeroorder diffraction grating elements some of which are modulated such that a coloured at least partially polarized image is visible to a person viewing the device, observing a first optically variable effect when the device is rotated about an axis substantially. Us9489604b2 optically variable data storage device. The most notable change for the note is the bank logos patch, now a holographic patch instead of an optically variable device patch and a wider security thread. Optically variable device ovd gemalto digital identity and security.
Optical variable device news newspapers books scholar jstor november 2016 ovd patch seen on the current. The growth of optically variable features on banknotes deepdyve. Many different security features can be considered ovds, from colorshifting. An optically variable device that appears in a transparent window and is only visible in transmitted light with the assistance of a distant point light source. Optically stimulated luminescence dosimeter how is. Global currencies continue to bank on the benefits of holography. An optically variable device uses a data storage layer with a nanooptical bit system to store data. This is a reflective foil oval shape with bsp image on parrot 500 peso bill and pearl inside the clam peso bill. Holograms 30 years on banknotes and still going strong. An optically variable device that appears in a transparent window and is only visible in. A security element, security device and method of forming a security device wherein the security element includes focusing elements, a first group of image elements, and a second group of image elements, each image element being located in an object plane to be viewable through a focusing element, and being located a distance from the focusing element such that the focal point width of the. Optically variable ink with blind embossing and iridescent ink patch at.
The growth of optically variable features on banknotes. It had been 3 decades 1985present since the bsp launched a new series of legal tender. The 500 and peso bank notes now have the optically variable device patch, reflective foil. Diffractive optically variable devices such as foil patches, stripes and windowed thread have become popular security features used for bank notes throughout the world, but historically have suffered in their ability to match the durability of the bank note substrate itself.
As a former colony of the united states, the country used english on its currency, with the word peso appearing on notes and coinage until 1967. Optically variable watermark ovw microstructures for. Csiros interest in optically variable devices ovd flat film devices containing. What is a hologram or ovd and why should i use this technology. Trustseal is described as a robust and versatile nonholographic optically variable device ovd featuring overt, covert and forensic solutions. Nov 11, 2014 an optically variable security device comprises a photonic crystal of which incident light received by the crystal is selectively reflected or transmitted by the crystal to generate a first optically variable effect observable over a first set of directions. Optical variable device wikipedia republished wiki 2. Oct 07, 2003 a security document or device comprising. An optical variable device or optically variable device ovd is an iridescent image that. The banknote or feature itself does not change, but how it interacts with light and viewing conditions makes it seem to vary, to an observer.
The optical security device of the birds of canada note series, the three iridescent maple leaves on the canadian journey series notes, and the metallic building on the frontiers series notes are all examples of an optically variable device. To counteract this rapidly evolving threat, the diffractive optically variable device ovd has been widely adopted by security printers and manufacturers of brand name products. The ovd technology developed to solve this commercial problem as well as the problem of differentiation from diffractive devices was called the optically variable intaglio device ovid. The evolution of dovids on banknotes technology overview holograms, optically variable devices ovds, diffractive optically variable devices dovds, diffractive foil features dff or diffractive optically variable image devices dovids are the variety of terms used to describe the security features that have become one of the most common, and. Latitude is a diffractive optically variable device dovd technology that uses nanoparticles, and is not restricted to a conventional applied patch or stripe format. Optically variable devices publications csiropedia. The new florida driver license and id card has a designation available to show that the cardholder is a veteran of the united states armed forces. It is subdivided into 100 centavos or sentimos in filipino. While the thread is woven into the banknote paper, the patch and the stripe hologram are hot stamped or laminated into the substrate, which causes the hologram image to transfer from the carrier film and be impregnated into the. Summary of secuirty features 50,000won note 10,000won note 5,000won note 1,000won note security features for the general public optically variable device.
Lee ra, l mccarthy, et a a method of forming a reflective. Optically variable devices for use on bank notes deepdyve. Ovd kinegram international hologram manufacturers association. Document security features government programs gemalto. Optically variable features a common level 1 security feature used in many documents today is an optically variable device i. The new generation currency ngc banknotes it was a significant event in philippine history when the bangko sentral ng pilipinas bsp unveiled the new generation currency series of philippine banknotes in december 16, 2010. A new generation for philippine peso bills asia society. The evolution of dovids on banknotes technology overview holograms, optically variable devices ovds, diffractive optically variable devices dovds, diffractive foil features dff or diffractive optically variable image devices dovids are the variety of terms used to describe the security features that have. New philippine peso best in security feature currency. It may hold high resolution images, micro text or graphical designs. Holograms are just one of a number of optically variable and other overt features on banknotes. An optically variable security device comprises a photonic crystal of which incident light received by the crystal is selectively reflected or transmitted by the crystal to generate a first optically variable effect observable over a first set of directions. Ovds cannot be photocopied or scanned, nor can they be accurately replicated or reproduced. The embossing of several different types of optically variable device has been examined including portrait, nonportrait and 3dimensional images.
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