1. NRAM

2. CONTENT INTRODUCTION WHY WE USE NRAM? PROPERTIES INTERNAL STRUCTURE
STORAGE IN NRAM ADVANTAGES TO NRAM BENEFITS COMPETITIVE ADVANTAGES
PROBLEM QUOTE..

3. INTRODUCTION- COMPANY RAM CARBON NANOTUBES

4. NRAM Nano-RAM is being developed by the Japan based company Nantero
Dr. Thomas Rueckes, Nantero's Chief Technology Officer, uses carbon nanotubes as the active memory elements of NRAM
Dr. Rueckes uses nanotubes great conductivity to create clusters of cells to form NRAM chips

5. The Company On the cutting-edge of nanotechnology
Developing next-generation semiconductor devices
Attempting to replace the traditional DRAM with NRAM
Every day devices: computers, cell phones, PDAs, MP3 players, digital cameras, etc.

6. RAM Random Access Memory RAM is a form of computer data storage
RAM is a volatile type memory
RAM can also be used as a much faster Hard Drive

7. Carbon Nanotubes
Carbon nanotubes are the strongest stiffest materials on earth
Metallic nanotubes can have an electrical current density more than 1,000 times greater than metals such as silver and copper.
Nanotube based transistors have been made that operate at room temperature and that are capable of digital switching using a single electron.

8. WHY WE USE NRAM?

9. Properties Members of the fullerene family One Carbon Atom Thick
100,000 times smaller than a human hair
Conductor of Electricity comparable to Copper
Stronger than Steel
Hard as a Diamond

10. Nano-switch Between Nano-wires

11. Self-assembly

12. Thomas Rueckes, Nantero, 2000
Nanotube Random Access Memory
Type of Memory
Most Important Feature
Applications
DRAM
High Density
Computer Operating Memory
SRAM
Flash Memory
High Speed
Non-volatility
Cell Phones,
Computer Caches
PDAs, Cameras
MRAM
All Uses
NRAM
Thomas Rueckes, Nantero, 2000

13. INTERNAL STRUCTURE

15. STORAGE IN NRAM
NRAM works by balancing the on ridges of silicon. Under differing electric charges, the tubes can be physically swung into one or two positions representing one and zeros. Because the tubes are very small-under a thousands of time-this movement is very fast and needs very little power, and because the tubes are a thousand times conductive as copper it is very to sense to read back the data. Once in position the tubes stay there until a signal resets them.

16. Ribbon-up gives 'zero' and ribbon-down is 'one'.
Applied charge make CNT ribbons bend down to touch the substrate or bend up back to its original state.
Ribbon-up gives 'zero' and ribbon-down is 'one'.

17. Advantages to NRAM
NRAM, unlike Flash RAM, can read/write with much less power.
NRAM chips can be much smaller that todays DRAM chips
NRAM can not be erased with magnets, radiation, even power failure will not corrupt data
NRAM is non-volatile

18. Benefits Speed Storage Capacity Compatibility Energy Conserver
Unaffected by Environmental Forces

19. Competitive Advantages
Saves Money
Saves Time
Saves Energy

20. Problem
The distance between the crossed wires has to be controlled fairly precisely: one to two nanometers
Assemble and aligning a large number of these cross-wires. To make this pattern of nanotubes with precise control of distance is going to be the difficulty.
Not yet a reliable way to produce separate sets of metallic and semiconducting nanotubes.

21. Quote
NRAM is also unaffetced by strong magnetic fields and extreme temperature changes like hot and cold. add the fact that they are 100 times stronger than steel and much more conductive than copper, nanotubes are an interesting way of producing the specified results. NRAM is a wonderfull thing in theory, now all that is let is to wait and see.
It has more advantages over problems

22. THANK YOU