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Semiconductor Definition and How Semiconductors Work?

Semiconductor , , ,
A semiconductor is a substance, usually a solid chemical element or compound, that can conduct electricity under some conditions but not others, making it a good medium for the control of electrical current. Its conductance varies depending on the current or voltage applied to a control electrode, or on the intensity of irradiation by infrared (IR), visible light, ultraviolet (UV), or X rays. A semiconductor material has an electrical conductivity value falling between that of a conductor – such as copper, gold etc. – and an insulator, such as glass. Their resistance decreases as their temperature increases, which is behaviour opposite to that of a metal. Their conducting properties may be altered in useful…
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Semiconductor Marketing Trend from 1987 to 2018

Semiconductor Marketing
Semiconductor sales revenue worldwide from 1987 to 2018  In 2017, sales are expected to reach 409 billion U.S. dollars worldwide. Semiconductors are crucial components of electronics devices and the industry is highly competitive. The year-on-year growth rate in 2017 is expected to see growth rates of 20.6 percent. The largest semiconductor chip maker is Intel, which generated 54 billion U.S. dollars in revenue in 2016, placing it among the largest companies in terms of semiconductor industry revenues.    
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