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The semiconductor materials used in electronic devices are doped under precise conditions to control the concentration and regions of p- and n-type dopants. A single semiconductor device crystal can have many p- and n-type regions; the p–n junctions between these regions are
A semiconductor device is an electronic component that relies on the electronic properties of a semiconductor material (primarily silicon, germanium, and gallium arsenide, as well as organic semiconductors) for its function. Its conductivity lies between conductors and insulators.
That's Impossible is a television series on the History Channel that examines seemingly impossible technologies based upon stories and inventions in history, and details exactly what is needed to turn them into reality. [1] The show premiered on July 7, 2009 and was narrated by Jonathan Frakes.
A compound semiconductor is a semiconductor compound composed of chemical elements of at least two different species. These semiconductors form for example in periodic table groups 13–15 (old groups III–V), for example of elements from the Boron group (old group III, boron, aluminium, gallium, indium) and from group 15 (old group V, nitrogen, phosphorus, arsenic, antimony, bismuth).
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The vacuum tube was used for early electronic devices, before later being largely supplanted by semiconductor components as the fundamental technology of the industry. [ 3 ] The first working transistor , a point-contact transistor , was invented by John Bardeen and Walter Houser Brattain at Bell Laboratories in 1947, which led to significant ...
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