Nano

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KNOWLEDGE SHARING SESSION

11.07.2008

Presented by R.Venugopal

SYNOPSIS: History Definition Working Examples and its Products Applications

HISTORY: This term is first defined by Prof.Norio

Taniguchi in the year 1974.

 Redefined by Dr. K. Eric Drexler, in his book Engines of Creation: The Coming Era of Nanotechnolog

(1986) and Nano systems: Molecular Machinery, Manufacturing, and Computation.

DEFINITION: Nano -One Billionth of a meter. It means the control of Matters (Atoms &

Molecules). It is a Multi-Disciplinary field.

WORKING: Top-Down Approach These seek to create smaller devices by using larger ones to direct their assembly.

Bottom-Up Approach These seek to arrange smaller components into more complex assemblies. In particular, to cause singlemolecule components to automatically arrange themselves into some useful conformation.

NANOTECHNOLOGY WORKING:

NANOTECHNOLOGY IN MANUFACTURING: Surface Textures of components. Manufacturing of Polymers. Design of Computer chip Layouts. Coatings over the Materials.

Application in Precision diamond manufacturing components

Optical image of the diamond tool

Diamond turning for improved Surface finish

Finished components With Diamond turning

for improved surface finish

2.

OTHER APPLICATIONS: Medicine Energy Information & Communication Consumer goods Chemistry

THANK YOU

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