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Inventors History of the Transistor
early transistor
A device composed of semiconductor material that amplifies a signal or opens or closes a circuit, transistors have become the major componet in all digital circuits, including computer microprocessors which now contain millions of microscopic size transistors. Prior to transistors, digital circuits used vacuum tubes which had many disadvantages, they were larger, used more energy, and created more heat.

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The History of The Transistor
The tiny and powerful transistor changed the future of electronics. John Bardeen, Walter Brattain & William Shockley all co-invented the transistor in 1947 at Bell Labs.

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Related Innovations
History of Computers
Robert Bower
Robert Bower invented a device that provided semiconductors with more speed.

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