TINY PARTICLES,  BIG PROBLEMS!
Outline <ul><li>What  is nano? </li></ul><ul><li>Why work in clean rooms? </li></ul><ul><li>How are clean rooms kept clean...
What is nano?
Nano is very, very small! <ul><li>A nanometer is a  billionth  of a meter. </li></ul><ul><li>Molecules  are a few nanomete...
Why work in  clean rooms?
Computer chip with nano-sized features
Silicon wafers with many tiny computer chips
Dust on a computer chip
How are clean rooms  kept clean?
Furniture lets air  flow through
Supplies don’t release  fibers or chemicals
Trash cans sort  and vent waste
Who works  in clean rooms?
Nanoscientists Tejal Desai Antje Baeumner Stanley Williams
Review <ul><li>What  is nano? </li></ul><ul><li>Why work in clean rooms? </li></ul><ul><li>How are clean rooms kept clean?...
Image sources Courtesy of NASA Marshall Space Flight Center Courtesy of IBM iStockphoto.com Image copyright Dennis Kunkel ...
Image sources  (continued) Courtesy of Tejal Desai and University of California San Francisco Courtesy of Stanley Williams...
This project was supported by the National Science Foundation under Grant No. ESI-0532536.  Any opinions, findings, and co...
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Tiny Particles, Big Problems ppt

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A Powerpoint presentation for the Tiny Particles, Big Problems! program on nisenet.org

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Tiny Particles, Big Problems ppt

  1. 1. TINY PARTICLES, BIG PROBLEMS!
  2. 2. Outline <ul><li>What is nano? </li></ul><ul><li>Why work in clean rooms? </li></ul><ul><li>How are clean rooms kept clean? </li></ul><ul><li>Who works in clean rooms? </li></ul>
  3. 3. What is nano?
  4. 4. Nano is very, very small! <ul><li>A nanometer is a billionth of a meter. </li></ul><ul><li>Molecules are a few nanometers wide. </li></ul>
  5. 5. Why work in clean rooms?
  6. 6. Computer chip with nano-sized features
  7. 7. Silicon wafers with many tiny computer chips
  8. 8. Dust on a computer chip
  9. 9. How are clean rooms kept clean?
  10. 10. Furniture lets air flow through
  11. 11. Supplies don’t release fibers or chemicals
  12. 12. Trash cans sort and vent waste
  13. 13. Who works in clean rooms?
  14. 14. Nanoscientists Tejal Desai Antje Baeumner Stanley Williams
  15. 15. Review <ul><li>What is nano? </li></ul><ul><li>Why work in clean rooms? </li></ul><ul><li>How are clean rooms kept clean? </li></ul><ul><li>Who works in clean rooms? </li></ul>
  16. 16. Image sources Courtesy of NASA Marshall Space Flight Center Courtesy of IBM iStockphoto.com Image copyright Dennis Kunkel Microscopy, Inc. Sciencenter, Ithaca, NY
  17. 17. Image sources (continued) Courtesy of Tejal Desai and University of California San Francisco Courtesy of Stanley Williams and Hewlett-Packard Courtesy of Antje Baeumner and Cornell University
  18. 18. This project was supported by the National Science Foundation under Grant No. ESI-0532536. Any opinions, findings, and conclusions or recommendations are those of the author and do not necessarily reflect the views of the Foundation.

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