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The Invention of the Transistor
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⟶ Atualizado 7 dez 2017 ⟶
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Eventos
1897 - J. J. Thomson discovered the electron. (Nobel Media, 2017)
1904 - John Ambrose Fleming invents the first thermionic device. (The Open University, 2017)
1939 - World War II begins (HistoryNet, 2017)
1945 - World War II ends (HistoryNet, 2017)
1782 - Alessandro Volta first used the word "semiconducting" (Bellis, 2017)
1833 - Michael Faraday first observed a semiconductor effect in silver sulfide - as temperature decreases the electrical resistance of the semiconductor also decreases. (Bellis, 2017)
1874 - Karl Braun observed the first semiconductor diode effect. (Bellis, 2017)
1906 - Ferdinand Braun invents the crystal detector(otherwise known as the cat's whisker detector) - the first solid state device. (Bellis, 2017)
1947 - John Bardeen, Walter Brattain and William Shockley invent the transistor. (Bellis, 2017)