5
May
  Advertisement
Home  /  Timelines  /  Transistor
Transistor
A transistor is a semiconductor device used to amplify and switch electronic signals and power. It is composed of a semiconductor material with at least three terminals for connection to an external circuit. A voltage or current applied to one pair of the transistor's terminals changes the current flowing through another pair of terminals...
Timeline of Events
1947
11.17.1947
American scientists John Bardeen and Walter Brattain observe the basic principles of the transistor, a key element for the electronics revolution of the 20th Century.
12.23.1947
The transistor is first demonstrated at Bell Laboratories.
1951
7.5.1951
William Shockley invents the junction transistor.