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Walter Houser Brattain

Walter Houser Brattain. By: Alex Davis. Information. Born in Amoy, China Born on: February 10, 1902 He died on October 13, 1987. Died of Alzheimer’s at age 85. Degrees. M.S from Whitman College in 1924 M.A from Univ. of Oregon in 1926 Ph.D from Univ. of Minnesota in 1929. Employment.

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Walter Houser Brattain

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  1. Walter Houser Brattain By: Alex Davis

  2. Information • Born in Amoy, China • Born on: February 10, 1902 • He died on October 13, 1987. • Died of Alzheimer’s at age 85.

  3. Degrees • M.S from Whitman College in 1924 • M.A from Univ. of Oregon in 1926 • Ph.D from Univ. of Minnesota in 1929

  4. Employment • First job was as a radio engineer • 1929 - Brattain began working for Bell Laboratories

  5. Bell Labs • Walter Brattain and John Bardeen worked closely together • Concentrated research on the surface properties of solids

  6. His research included: • the thermionic emission and absorbed layers on tungsten • & •  rectification and photo-effects on the semiconductor surfaces • of cuprous oxide, silicon, and germanium

  7. The Transistor • Much discussion on how much credit Shockley deserved • Was invented on December 23, 1947 by Brattain, Bardeen, and Shockley

  8. Origin of of the word transistor • The name transistor comes from the words: • 'trans' of transmitter  • & • 'sistor' of resistor.

  9. Definition of transistor • A device composed of semiconductor material that amplifies • a signal or opens or closes a circuit • transistors have become the major component in all  • digital circuits, including computer microprocessors which now contain • millions of microscopic size transistors.

  10. "The only regret I have about the transistor is its use for rock and roll" • Walter Brattain in reference to the transistor radio

  11. Main Awards • 1952 Stuart Ballantine Medal of the Franklin Institute • 1955 Scott Medal • 1956 Nobel Prize Physics • Co-winners William Shockley, John Bardeen -invention - transistor

  12. Bibliography • "Walter H. Brattain." The Official Web Site of the Nobel Foundation. Web. 22 Feb 2010. http://nobelprize.org/nobel_prizes/physics/laureates/1956/brattain-bio.html • Bellis, Mary. "Walter Brattain." About. The New York Times Company, Web. 24 Feb 2010. http://nobelprize.org/nobel_prizes/physics/laureates/1956/brattain-bio.html

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