Friday, 27 November 2015

HISTORY OF TRANSISTOR

TRANSISTOR:

--->T-R-A-N-S-I-S-T-O-R->TRANSFER RESISTOR.
--->The transistor is the fundamental building block of modern electronic devices.
---->A transistor is a semiconductor electronic device used to amplify electronic signal or power.
--->1947:John Bardeen, Walter Brattain and William Schokley at Bell laboratories built the first working point contact transistor (Nobel Prize in Physics in 1956)
--->1958:Jack and  Kylby built the first integrated circuit flip flop at Texas Instruments (Nobel Prize in Physics in 2000).
--->1925:Julius Lilienfield patents the original idea of field effect transistors
--->1935:Oskar Heil patents the first MOSFET.
--->1963:Frank Wanlass at Fairchild describes the first CMOS logic gate (nMOS and pMOS)
--->1970:Processes using nMOS became dominant.
--->1980:Power consumption become a major issue. CMOS process are widely adopted...
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