Dept of Phys
This presentation is the property of its rightful owner.
Sponsored Links
1 / 19

Nano-technology in a nutshell PowerPoint PPT Presentation


  • 43 Views
  • Uploaded on
  • Presentation posted in: General

Dept of Phys. M.C. Chang. Nano-technology in a nutshell. ENIAC circa 1947. Physical characteristics: 17,468 vacuum tubes; 1,500 relays 60,000 pounds; 16,200 cubic feet 174 kilowatts (233 horsepower) 5,000 addition/sec. (~ same as Intel 4004)

Download Presentation

Nano-technology in a nutshell

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Nano technology in a nutshell

Dept of Phys

M.C. Chang

Nano-technology in a nutshell


Nano technology in a nutshell

ENIAC circa 1947

Physical characteristics:

  • 17,468 vacuum tubes; 1,500 relays

  • 60,000 pounds; 16,200 cubic feet

  • 174 kilowatts (233 horsepower)

  • 5,000 addition/sec. (~ same as Intel 4004)

  • 5.25 MJoule/trajectory (~ fire an artillery shell)

Future prediction (Popular Mechanics, 1949):

  • 1,500 vacuum tubes; 10 kilowatts

  • 3,000 pounds (~ size of an automobile)


Nano technology in a nutshell

  • The invention of transistor

  • (1947, Bardeen, Brattain, Shockley)

  • small size

  • less electricity

  • no movable part

  • faster turn-on time

1956


Nano technology in a nutshell

Pentium 4

4.2 million transistors

The invention of IC

(1959, Kilby and Noyce)

Intel 4004 (1971)

2250 transistors

2000


Nano technology in a nutshell

A silicon wafer

A silicon single crystal


Nano technology in a nutshell

Moore’s law


Nano technology in a nutshell

Moore’s Second Law

Cost of Fab

$50B

$40B

360B

$20B

$10B

$0B

1992

1995

1998

2001

2004

2007

2010

Year


Nano technology in a nutshell

  • mems microphone (PC, cellular phone)

  • mems accelerometer (safety bag, Wii, PC, camera, air guitar…)

  • other mems sensors (pressure, heat …)

  • mems oscillator (replaces quartz)

  • optical mems (VSCEL, micro projector)

  • microfluid (printer…)

  • biomems

Micro-Electro-Mechanical Systems (MEMS)

Cheaper, better, smaller, response time, energy consumption …

+ systems-on-a-chip (SOC) = multi-functional, mass production …

(lab-on-a-chip)


Nano technology in a nutshell

Motion sensor

MEMS mirror

DLP micro-projector


Nano technology in a nutshell

gene chip


Nano technology in a nutshell

Micro-fluid chip


Nano technology in a nutshell

Top-down approach


Nano technology in a nutshell

Bottom-up approach


Nano technology in a nutshell

Self-organized (or self-assembled) PbSe dots (on PbEuTe)


Nano technology in a nutshell

Buckminster Fuller

Buckminsterfullerene

1996

Carbon nanotube as nanowire


Nano technology in a nutshell

STM (Scanning Tunneling Microscope)

1980, Binning and Rohrer

1986


Nano technology in a nutshell

Quantum corral made by 48 iron atoms (D. Eigler)


Nano technology in a nutshell

Nano-machine, molecular robot … etc


Nano technology in a nutshell

From sub-micron technology to nano-technology

-- problems of this century

Emergence of quantum effect

Quantum wire

Quantum dot

Self-assembly device

Need better grasp of the fundamental physics of materials

How long can we keep enjoying the amazing progress?

A powerful computer in turn helps us

explore the mystery of nature (high-Tc superconductor, DNA-coding, protein folding, drug design, better airplane… etc)


  • Login