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Sapthagiri College of Engineering 1 SAPTHAGIRI COLLEGE OF ENGINEERING (Affiliated to Visvesvaraya Technological University, Belgaum) DEPARTMENT OF ELECTRONICS & COMMUNICATION ENGINEERING TECHNICAL SEMINAR On NANOTECHNOLOGY Submitted by: Academic Guide: Amandeep Singh Mr .RAVI SHANKAR (1SG09EC004) Associate Prof. Dept of E&CE

Nanotechnology finalyear

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Page 1: Nanotechnology finalyear

Sapthagiri College of Engineering 1

SAPTHAGIRI COLLEGE OF ENGINEERING (Affiliated to Visvesvaraya Technological University, Belgaum)

DEPARTMENT OF ELECTRONICS & COMMUNICATION ENGINEERING

TECHNICAL SEMINAR

On

NANOTECHNOLOGY

Submitted by: Academic Guide: Amandeep Singh Mr .RAVI SHANKAR (1SG09EC004) Associate Prof. Dept of E&CE

SCE, Bangalore

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CONTENTS

• INTRODUCTION• EVOLUTION• TECHNICAL FEASIBILITY • APPROACHES IN NANOTECHNOLOGY• APPLICATIONS• MERITS AND DEMERITS• CONCLUSION AND FUTURE SCOPE• REFRENCES

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INTRODUCTION

• Nanotechnology literally means any technology performed on a nanoscale that has applications in the real world.

• Switching devices of nanometer (below 100nm, typically 10nm) dimensions define nanotechnology.

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INTRODUCTION

• Nanotechnology is the creation of functional materials, devices, and systems through control of matter

on an atomic or molecular scale.

• 1 nanometer = 0.000000001 meter

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EVOLUTION

• Dr. K. Eric Drexler is the father of Nanotechnology

• The term "nanotechnology" was defined by Tokyo Science University professor Norio Taniguchi in a 1974 technical paper.

• Reason for evolution was due to failure of conventional microscopy technique in finding the image of atoms.

• So in 1980's IBM introduced two new techniques for finding image of atoms.

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TECHNICAL FEASIBILITY• Less Cost

• Less Power requirement

• Portability

• Computers billions of times faster

• Reduced heat

• Fabrication with high Precision and high Purity

• Faster Devices

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APPROACHES IN NANOTECHNOLOGY• Bottom up

• Top down

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APPLICATIONS

• Electronics (Nanotronics)

• Computing and Processing (Nano Computing)

• Robotics

• Medicine and related fields (DNA/Cell repair bots)

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MECHANIZATION

Carbon Nanotubes

• Carbon Nanotubes are allotropes of carbon with a cylindrical nanostructure.

• In the 1970s,a preparation of the planned carbon filaments was completed by Morinobu Endo.

• These are cylindrical molecules of about 1nm diameter & 1-100 micron consisting of only carbon

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MECHANIZATION

Structure of Carbon Nanotubes:

These NanoTubes are the Strongest Fibers known. A single perfect NanoTube is about 10 to 100 times stronger than Steel per unit weight.

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MECHANIZATION

• Size• Density• Current carrying capacity• Resilience• Strength• Kinetic• Electrical• Thermal• Defects

Properties of Carbon Nanotubes:

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ELECTRONICS (NANOTRONICS)

1.Nano tubes in making of transistors:

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D ~ 1 nm

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NANOTRANSISTORS

Smallest Bipolar Transistor has been built with Nano Wires

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ROBOTICS

• Robots of the nano size can be implemented using Nanotechnology

• Main use of such a smaller robots in the field of medical sciences

• They can be inserted into our body through capsules

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MERITS

• Reduced heat

• Reduced size

• Faster Devices

• Less Cost

• Less Power requirement

• Portability

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DEMERITS

Nanoparticles may enter cells– They may present on the skin– When they penetrate in to the

skin they may damage the cells in the body

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CONCLUSION AND FUTURE SCOPE

CONCLUSION

Nanotechnology, being an emerging field today, plays very vital role in each and every field. This area includes amazing applications in Medical, Robotics, Industrial and Consumer applications. This also shows its usefulness in Tissue Engineering and acts as a solution for medical problems. Nanotechnology has wide applications in the field of industries so that size of machines and efficiency can be greatly reduced. Thus through this nanotechnology in various fields we gain a lot and it is the friend of the whole world.

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CONCLUSION AND FUTURE SCOPE

FUTURE SCOPE

Examples of Future Use of NT

Electronic Paper

Nokia Morph

Contact Lens

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CONCLUSION AND FUTURE SCOPE

FUTURE SCOPE

Examples of Future Use of NT

Nanoguitar – IBM made the

Nanoguiar playable with a focused

laser beam.

Nanocloths

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LITERATURE SURVEY

Real Life Applications Of Nanotechnology In Electronics and Mechanical Engineering

Dr.N.V.Srinivasulu , Dr. P.Giridhar Reddy, Dr. P.Narahari Sastry (National Congress on Communications and Computer Aided Electronic Systems (CCAES 2012) )

About Paper1. A nanometer is one billionth of a meter, roughly the width of three or

four atoms. The average human hair is about 25,000 nanometers wide.

2. Nanotechnology is receiving a lot of attention from companies, universities and governments. This paper will outline areas in Nanotechnology with specific impact on semiconductors. The collection of synthesis techniques collectively known as Nanotechnology presents many opportunities to reshape the electronics industry from top to bottom.

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REFRENCES

• Real Life Applications Of Nanotechnology In Electronics and Mechanical Engineering

Dr.N.V.Srinivasulu , Dr. P.Giridhar Reddy, Dr. P.Narahari Sastry (National Congress on Communications and Computer Aided Electronic Systems (CCAES 2012) )

• Morph: Nokia’s Nanotechnology Concept Phone

http://tini.us/morph• Wikipedia NT Portal

http://tini.us/nano• Image Credits

http://sxc.hu/• http://www.nanozine.com• www.research.ibm.com/atomic/nano• http://www.utwente.nl/organization/stories/muziek-maken-op-de-

micrometer21

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