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selinz
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re: HP, Hynix to commercialize the memristor
selinz   9/1/2010 5:35:47 PM
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With regard the comment about "any material can be a memrister." My understanding is that the requirements is that the ionic movement results in an a signficant change in electrical conductivty. Well, this is certainly true of many conducting polymers. And certain other cathode/anode matials in solid state batteries... But generally the polymer becomes charged with the concomitant movement of an associated anion (or less frequently, a cation). It seems like electroformed conducting polymers would be an ideal candidate. So while it's a stretch to say "any material," I do think that there are a large number and variety to choose from (beyond the TiO2-Ti4O7 material being studied by HP).

greenpattern
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re: HP, Hynix to commercialize the memristor
greenpattern   9/1/2010 11:25:04 AM
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MRAM and PCM are two more well-established types of ReRAM (resistance-based random access memory). MRAM is commercialized by several companies like Crocus, Grandis and Everspin. PCM is commericalized by Numonyx (Micron). Also some work by BAE for aerospace. A potential issue with these is the sensitivity to magnetism and temperature respectively.

Sanjib.A
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re: HP, Hynix to commercialize the memristor
Sanjib.A   9/1/2010 11:10:39 AM
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Thanks for the information provided in this article about another next generation memory technology ReRAM and for the thoughts shared by the readers. Looks like ReRAM is lagging behind MRAM with respect to the schedule for getting commercially available in the market? It would be great if some of our friends having expertise in this area could draw a comparison between these technologies: MRAM vs ReRAM.

junko.yoshida
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re: HP, Hynix to commercialize the memristor
junko.yoshida   9/1/2010 11:01:26 AM
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Hi, Goafrit. Just to set the record straight here. EE Times reported on Memristor back in 2008: The long-sought after memristor--the "missing link" in electronic circuit theory--has been invented by Hewlett Packard Senior Fellow R. Stanley Williams at HP Labs (Palo Alto, Calif.) Memristors--the fourth passive component type after resistors, capacitors and inductors--were postulated in a seminal 1971 paper in the IEEE Transactions on Circuit Theory by professor Leon Chua at the University of California (Berkeley), but their first realization was just announced today by HP. According to Williams and Chua, now virtually every electronics textbook will have to be revised to include the memristor and the new paradigm it represents for electronic circuit theory. "My situation was similar to that of the Russian chemist Dmitri Mendeleev who invented the periodic table in 1869," said Chua. "Mendeleev postulated that there were elements missing from the table, and now all those elements have been found. Likewise, Stanley Williams at HP Labs has now found the first example of the missing memristor circuit element." Read the whole story entitled " 'Missing link' memristor created: Rewrite the textbooks?" here: http://www.eetimes.com/electronics-news/4076910/-Missing-link-memristor-created-Rewrite-the-textbooks-?pageNumber=0

resistion
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re: HP, Hynix to commercialize the memristor
resistion   9/1/2010 9:29:35 AM
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The Rice U SiOx result should make the Floating gate guys really nervous! Some groups tried NiO but don't feel so comfortable as with PCM. HP uses TiOx for the memristor.

Silicon_Smith
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re: HP, Hynix to commercialize the memristor
Silicon_Smith   9/1/2010 7:32:54 AM
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Hustle to preserve the validity of Moore's law! The concept is interesting and has been fanning fantasies for long now. Whether this could be the node for Neural Networks, integration of Memory with CPU and ultra-dense storage et al. However, I havent read much about how good it fares on commercial terms as against the good old Flash and HDD. I mean, we have been hurtling at a good pace in Flash with 3D and more information per switch, and though there is a physical limit, will the benfits of the new technology be worth the cost? Rice fellows have shown confidence regarding the advance based on SiO2, but there arguments seem like they will take another five years to market. The phase change memory still seems to be more stable as against other novelties.

resistion
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CEO
re: HP, Hynix to commercialize the memristor
resistion   9/1/2010 1:12:28 AM
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ReRAM or RRAM has some advantages like simple structure and use of fairly accessible materials. The key question is if any special material property is needed, for example ionic conductivity. It's possible any material can be an RRAM or memristor, then what happens? Another key focus should be the architecture for RRAM, as information is now stored as resistance, so any other resistance in series or parallel is considered parasitic. That said this is much simpler than trying to deduce how much charge is stored. To be honest, I think HP's main contribution is not in the RRAM or ReRAM aspect but the potential for logic operations. But it doesn't seem obvious the memristor would be a substitute for a transistor.

selinz
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re: HP, Hynix to commercialize the memristor
selinz   9/1/2010 1:01:01 AM
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Another juicy tidbit from the video.. 1 petabit/cm2 Ok, that's a lot...

selinz
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re: HP, Hynix to commercialize the memristor
selinz   9/1/2010 12:57:09 AM
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Check out the Youtube video by Stanley williams of HP at http://www.youtube.com/watch?v=bKGhvKyjgLY . Here is a highlight "... I believe that Memristers, at some point in time, and it could be as soon as 5 years from now could literally completely replace both DRAMS and hard disk.. And perhaps eventually CD's and DVD's." (and presumably bluray :-) Wow, that's saying something. Interesting stuff...

mark.lapedus
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re: HP, Hynix to commercialize the memristor
mark.lapedus   9/1/2010 12:45:23 AM
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Will the memristor make it or not? It's interesting stuff.

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