NANOTECHNOLOGY NANOCIRCUTRY & NANOCOMPUTING
#1

PRESENTED BY
S.SHARMILI PRIYADARSINI

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WHAT IS NANOTECHNOLOGY?
 Nanotechnology deals with the study of
Materials of size 10-9 m.
 The materials in nanometer scale posses novel properties such as high efficiency &
capacity than the normal materials.
WHAT IS NANO CIRCUTRY?
 Nanocircuitry deals with minimization of circuit size to nano scale.
 It helps the scientists & engineers in reduction of the size of computers & other electronic devices.
 The age of nanocircuitary begins with the invention of nanotransistors & ultra capacitors.
 MOORE’S LAW:
moore’s law states that,”the speed of the computer will be doubled in every 18 to 24 months.
This is made possible by increasing the number of transistors fitted into a circuit.
ULTRA-CAPACITORS
 CAPACITORS ARE ENERGY SAVING DEVICES.
 THEY CONSIST OF TWO TERMINALS EACH STORE POSITIVE OR NEGATIVE CHARGES.
 THE ULTRA CAPACITORS ARE MADE FROM CARBON NANO TUBES.
 THEY HAVE HIGH RELIABILITY,COMPACTNESS.
TRANSISTORS:
 Transistors are the devices that forms the integral parts of the circuit.
 Transistors converts the weak signals into stronger signals.
 To convert the transistors to nano scale we are in need of switch on to carbon base instead of silicon.
CARBON NANOTUBES
 CARBON NANO TUBES ARE THE BASIC BUILDING BLOCKS OF NANO CIRCUITS.
 THEY ARE COMPOSED OF C-40 ATOMS.
 THEY ARE PATENTED BY IBM.
LATEST NANOPRODUCTS
 I-POD NANO developed by apple in 2007.
 Processors developed by IBM &VIA technologies.
RISKS:
 The electronics scientists need to develop new circuits to cope with nano circuits working with carbon nanotubes .
 The transistors will be 100 times smaller than the thickness of human hair so it is difficult to identify the problems in it.
 The ultracapacitors produces high heat, till today there is no remedy given to cool it.
OTHER APPLICATIONS OF NANOCOMPUTING:
 DISPLAYS
 QUANTUM COMPUTERS
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