4DS (ASX) Ann: 4DS Technical Update

Originally posted by Hateful8: ↑

I’ll let all the so called experts on here make their own decisions as to what has transpired…. But here is an article written by the EE times back in Dec 2011….

Imec were scaling crystaline rram back then to 10nm and proving cell structure requirements…

So you now expect me to believe that after another 10 years worth of research they still can’t get it right and stuffed the process…. ?

Please….

Watch this space boys and girls & while you are at it you might want to take a look at who the key foundry partners were back then….. !

Hell this might even be worth another bet that says you all been played, so who wants a piece of the action? And can go the Full8tey hehe

December 8, 2011

Imec reports smallest fully-functional HfO2-based Resistive RAM cell
by IMEC

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At today's 2011 IEEE International Electron Devices Meeting (IEDM), imec presents the world’s smallest, fully-functional HfO2-based Resistive RAM (RRAM) cell, with an area of less than 10x10nm². The new cell shows potential to meet the major requirements for future device-level nonvolatile memory. RRAM is an emerging technology for nonvolatile memory, a candidate to replace NAND Flash technology in the scaling race to sub-10nm memories.

Current charge storage based Flash memory technologies are believed to face scaling limitations beyond 18nm. To overcome these, a variety of innovative cell and memory concepts are investigated worldwide. One of the most promising memory concepts is the resistive RAM or RRAM. It is based on the electronic switching of a resistor element material between two stable (low/high) resistive states. The major strengths of RRAM technology are its potential density and speed.

Imec’s RRAM cell features a novel Hf/HfOx resistive element stack. It couples a cell area of less than 10x10nm2 with an excellent reliability (endurance of more than 109cycles). The cell has fast nanosecond-range on/off switching times at low-voltages. It has a large resistive window (>50) and shows no closure of the on/off window after functioning at 200°C for 30 hours. The device even remained operating failure-free functioning for 30 hours with a thermal stress of 250°C. The switching energy per bit is below 0.1pJ, and AC operating voltages are well below 3V. With these characteristics, imec’s cell meets the major requirements for device-level nonvolatile memory.

In addition, imec has also further clarified the impact of film crystallinity on the operation of RRAM cells, especially with a view on further scaling. It also sheds light on the role of the cap layer and on the switching mechanisms.

These results were obtained in cooperation with imec’s key partners in its core CMOS programs Globalfoundries, INTEL, Micron, Panasonic, Samsung, TSMC, Elpida, Hynix, Fujitsu and Sony.

Provided by IMEC

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I'm with you 8tey, bought more yesterday. I have not read as much about the market we are in as I have in the last couple of days. If you are scaling anything above 22nm you are out of the game. Below 10 is preferable. Here till the end, ride or die.

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Last 9.0¢		Change -0.003(3.23%)		Mkt cap ! $158.7M

Open	High	Low	Value	Volume
9.3¢	9.3¢	8.8¢	$349.6K	3.885M

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