Downloaded 34 times
Uploaded byAmandeep Singh
Nanotechnology finalyear
The document is a technical seminar presentation on nanotechnology given by a student at Sapthagiri College of Engineering. It begins with an introduction defining nanotechnology as the control and manipulation of matter at the atomic or molecular scale between 1-100 nanometers. It then discusses the evolution of nanotechnology, some technical feasibility aspects like reduced cost and size, and the main approaches of top-down and bottom-up fabrication. Applications covered include electronics, computing, robotics, and medicine. Some merits like reduced heat and size and potential demertis involving nanoparticle health effects are also summarized. The conclusion discusses the wide role of nanotechnology across many fields and future applications involving electronic paper, morph concept phones, and nanoclothing
More Related Content
Similar to Nanotechnology finalyear
Nanotechnology finalyear
- 1. SAPTHAGIRI COLLEGE OFENGINEERING (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 Sapthagiri College of Engineering 1
- 2. CONTENTS • INTRODUCTION • EVOLUTION • TECHNICAL FEASIBILITY • APPROACHES IN NANOTECHNOLOGY • APPLICATIONS • MERITS AND DEMERITS • CONCLUSION AND FUTURE SCOPE • REFRENCES Sapthagiri College of Engineering 2
- 3. 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. Sapthagiri College of Engineering 3
- 4. INTRODUCTION • Nanotechnology isthe creation of functional materials, devices, and systems through control of matter on an atomic or molecular scale. • 1 nanometer = 0.000000001 meter Sapthagiri College of Engineering 4
- 5. 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. Sapthagiri College of Engineering 5
- 6. TECHNICAL FEASIBILITY • LessCost • Less Power requirement • Portability • Computers billions of times faster • Reduced heat • Fabrication with high Precision and high Purity • Faster Devices Sapthagiri College of Engineering 6
- 7. APPROACHES IN NANOTECHNOLOGY •Bottom up • Top down Sapthagiri College of Engineering 7
- 8. APPLICATIONS • Electronics (Nanotronics) •Computing and Processing (Nano Computing) • Robotics • Medicine and related fields (DNA/Cell repair bots) Sapthagiri College of Engineering 8
- 9. MECHANIZATION Carbon Nanotubes • CarbonNanotubes 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 Sapthagiri College of Engineering 9
- 10. MECHANIZATION Structure of CarbonNanotubes: These NanoTubes are the Strongest Fibers known. A single perfect NanoTube is about 10 to 100 times stronger than Steel per unit weight. Sapthagiri College of Engineering 10
- 11. MECHANIZATION Properties of CarbonNanotubes: • Size • Density • Current carrying capacity • Resilience • Strength • Kinetic • Electrical • Thermal • Defects Sapthagiri College of Engineering 11
- 12. ELECTRONICS (NANOTRONICS) 1.Nano tubesin making of transistors: D ~ 1 nm Sapthagiri College of Engineering 12
- 13. NANOTRANSISTORS Smallest Bipolar Transistorhas been built with Nano Wires Sapthagiri College of Engineering 13
- 14. ROBOTICS • Robots ofthe 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 Sapthagiri College of Engineering 14
- 15. MERITS • Reduced heat •Reduced size • Faster Devices • Less Cost • Less Power requirement • Portability Sapthagiri College of Engineering 15
- 16. DEMERITS Nanoparticles may entercells – They may present on the skin – When they penetrate in to the skin they may damage the cells in the body Sapthagiri College of Engineering 16
- 17. CONCLUSION AND FUTURESCOPE 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. Sapthagiri College of Engineering 17
- 18. CONCLUSION AND FUTURESCOPE FUTURE SCOPE Examples of Future Use of NT Electronic Paper Nokia Morph Contact Lens Sapthagiri College of Engineering 18
- 19. CONCLUSION AND FUTURESCOPE FUTURE SCOPE Examples of Future Use of NT Nanoguitar – IBM made the Nanoguiar playable with a focused laser beam. Nanocloths Sapthagiri College of Engineering 19
- 20. 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 Paper 1. 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. Sapthagiri College of Engineering 20
- 21. 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- micrometer Sapthagiri College of Engineering 21
- 22. Sapthagiri College ofEngineering 22