NanoPrinting Might Foil Counterfeiters


	NanoPrinting Might Foil Counterfeiters

ColoradoRight

9-7-2007 1:30 PM

192 views

tags:

money, nanotechnology, print

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/e2171c10-4ce3-4756-83b7-830bed5632e7/B84305A1-1B99-4F53-97B1-7C7E165CE425/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://technology.newscientist.com/article/dn12590-precision-nanoprinting-could-foil-the-forgers.html" href="http://technology.newscientist.com/article/dn12590-precision-nanoprinting-could-foil-the-forgers.html" style="font-size: 11px;">technology.newscientist.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://technology.newscientist.com/article/dn12590-precision-nanoprinting-could-foil-the-forgers.html"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/technology.newscientist.com/img/66C2A146-DCCC-46ED-A479-2989AEF986AA" alt="Individual nanoparticles can be arranged with great accuracy (left) to create an image (right)  (Image: <I>Nature</I>)" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://technology.newscientist.com/article/dn12590-precision-nanoprinting-could-foil-the-forgers.html"><P>A novel printing method that involves positioning individual nanoparticles with great accuracy could make smaller electronic circuits, and might eventually help prevent banknote counterfeiting, researchers say.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://technology.newscientist.com/article/dn12590-precision-nanoprinting-could-foil-the-forgers.html"><P>The method could perhaps provide a way to foil counterfeiters by marking banknotes with carefully positioned nanoparticles, which could be detected with the right equipment. "This is an interesting application for an every small-scale, advanced printing method," Wolf says, "although it was not the motivation behind our research."</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://technology.newscientist.com/article/dn12590-precision-nanoprinting-could-foil-the-forgers.html"><P>The researchers are able to precisely control where the particles stick to their printing plate by patterning it with tiny indentations – dots or grooves – not much larger than the particles themselves. These grooves were created using established silicon-chip manufacturing techniques.</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/B84305A1-1B99-4F53-97B1-7C7E165CE425/blog/" title="blog or email this clip"><img src="http://content6.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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