Menu
Home
People
Places
Arts
History
Plants & Animals
Science
Life & Culture
Technology
Reference.org
Optically variable ink
open-in-new
<h2 id="optically-variable-magnetic-ink">Optically variable magnetic ink</h2> <p>Optically variable magnetic ink (OVMI), also called SPARK,<a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a> has visual effects that are based on the magnetic properties of the ink. When the document is tilted, movement of a bright light stripe occurs and the colour changes. It is usually applied by screen printing. This type of ink is used for the <a href="/facts/Euro_banknotes/kAEqgxBP">Euro</a>,<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a> <a href="/facts/Brazilian_real/5ow99RuM">Brazilian real</a>,<a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a> and <a href="/facts/Russian_ruble/mzupvnyt">Russian ruble</a> banknotes.<a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a> </p> <ul> <li>Money portal</li><li>Numismatics portal</li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"New design for the US $50". www.sicpa.com. SICPA. Archived from the original on 16 October 2006. Retrieved 24 July 2006. <a href="https://web.archive.org/web/20061016041931/http://www.sicpa.com/731/764/1860/1911/7512.asp" target="_blank">https://web.archive.org/web/20061016041931/http://www.sicpa.com/731/764/1860/1911/7512.asp</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>"3rd ICAO MRTD Biometrics and Security Standard Symposium - 2007" (PDF). www.icao.int. International Civil Aviation Organization. Archived from the original (PDF) on 19 December 2008. Retrieved 7 December 2007. <a href="https://web.archive.org/web/20081219141857/http://www.icao.int/mrtdsymposium/2007/Docs/DIS_ICAO_Montreal_Presentation%202007_final.pdf" target="_blank">https://web.archive.org/web/20081219141857/http://www.icao.int/mrtdsymposium/2007/Docs/DIS_ICAO_Montreal_Presentation%202007_final.pdf</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>"Glossary of Banknotes - Optically Variable Magnetic Ink (SPARK, OVMI)". regulaforensics.com. Regula Forensics. Archived from the original on 16 January 2020. Retrieved 12 November 2018. <a href="https://regulaforensics.com/en/knowledge-hub/glossary-banknotes/#g706" target="_blank">https://regulaforensics.com/en/knowledge-hub/glossary-banknotes/#g706</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>"Security features - Europa series €100 banknote". www.ecb.europa.eu. European Central Bank. 11 September 2018. Archived from the original on 12 November 2018. Retrieved 12 November 2018. <a href="https://www.ecb.europa.eu/euro/banknotes/security/html/index.en.html" target="_blank">https://www.ecb.europa.eu/euro/banknotes/security/html/index.en.html</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>"GET TO KNOW THE BRAZILIAN BANKNOTES". www.bcb.gov.br (in English, Portuguese, and Latin American Spanish). Central Bank of Brazil. Archived from the original on 12 November 2018. Retrieved 12 November 2018. <a href="https://www.bcb.gov.br/dinheirobrasileiro/en/segunda-familia-cedulas.html" target="_blank">https://www.bcb.gov.br/dinheirobrasileiro/en/segunda-familia-cedulas.html</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>"Banknotes". www.cbr.ru (in Russian and English). Central Bank of the Russian Federation. Archived from the original on 12 November 2018. Retrieved 12 November 2018. <a href="https://web.archive.org/web/20181112224537/https://www.cbr.ru/eng/Bank-notes_coins/banknotes_itm/?PrtId=banknotes_itm&nominal=5000&year=2010" target="_blank">https://web.archive.org/web/20181112224537/https://www.cbr.ru/eng/Bank-notes_coins/banknotes_itm/?PrtId=banknotes_itm&nominal=5000&year=2010</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> </ol>