HP'realizes the Memristor -- the missing fourth fundamental circuit element

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	HP'realizes the Memristor -- the missing fourth fundamental circuit element

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5-24-2008 1:47 PM

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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/bfa19b0a-e27a-4c6f-8c19-43bd31afe326/EF3DFE9B-F1BC-489D-B16A-E5E5EF98A508/" 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://www.spectrum.ieee.org/may08/6207" href="http://www.spectrum.ieee.org/may08/6207" style="font-size: 11px;">www.spectrum.ieee.org</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.spectrum.ieee.org/may08/6207"><H4>
  The Mysterious Memristor 
<B>By   <SPAN class="name"> Sally Adee</SPAN>
</B>
</H4></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://www.spectrum.ieee.org/may08/6207"><H5>Researchers at HP have solved the 37-year mystery of the memory resistor, the missing 4th circuit element.</H5></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://www.spectrum.ieee.org/may08/6207"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.spectrum.ieee.org/img/05855D7E-17C8-4FC0-8B03-D348A3F6A47D" alt="" /></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://www.spectrum.ieee.org/may08/6207">Chua deduced the existence of memristors from the
                mathematical relationships between the circuit elements.
                </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://www.spectrum.ieee.org/may08/6207">Chua
                proposed the memristor purely for the mathematical
                aesthetics of it, as a class of circuit element based on
                a relationship between charge and flux.</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://www.spectrum.ieee.org/may08/6207"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.spectrum.ieee.org/img/76154FC3-678D-40B7-A1C1-51E283DC88E8" alt="" /></div></blockquote><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://content8.clipmarks.com/images/clip-icon.gif" 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://www.electronicsweekly.com/Articles/2008/05/02/43658/hp-nano-device-implements-memristor.htm" href="http://www.electronicsweekly.com/Articles/2008/05/02/43658/hp-nano-device-implements-memristor.htm" style="font-size: 11px;">www.electronicsweekly.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.electronicsweekly.com/Articles/2008/05/02/43658/hp-nano-device-implements-memristor.htm"><H2>HP nano device implements memristor</H2></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://www.electronicsweekly.com/Articles/2008/05/02/43658/hp-nano-device-implements-memristor.htm"><P><STRONG><A href="http://www.hpl.hp.com" title="HP Labs"><STRONG>HP Labs</STRONG></A></STRONG> has made a nano-scale device which stores data, explains previous anomalies in nano-device characteristics, and may be able to act as a synapse in analogue neural networks. It is also the first physical implementation of the <STRONG><A href="http://en.wikipedia.org/wiki/Memristor" title="Memristor"><STRONG>memristor</STRONG></A></STRONG>, claims HP, a theoretical partner to resistors, capacitors and inductors invented in 1971. </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://www.electronicsweekly.com/Articles/2008/05/02/43658/hp-nano-device-implements-memristor.htm"><P>HP also sees the junction as possible component of artificial brains. "It is very similar to a brain synapse," said spokesman Harrah. "You could simulate a brain with transistors as neurons and a bunch of these as synapses." </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://www.electronicsweekly.com/Articles/2008/05/02/43658/hp-nano-device-implements-memristor.htm"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.electronicsweekly.com/img/98DED36D-FC34-4F8C-BB55-1640927B827B" alt="An atomic force microscope image of 17 HP Labs non-linear devices in a row, each a pair of oxide layers between the single bottom wire and one of the top wires. " /></div></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/EF3DFE9B-F1BC-489D-B16A-E5E5EF98A508/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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