A layout-design of an integrated circuit refers essentially to the three-dimensional character of the elements and interconnections of an integrated circuit.
An integrated circuit (IC) is an electronic circuit in which the elements of the circuit are integrated into a medium, and which functions as a unit. Currently the medium used to create this unit is a solid semiconductor such as silicon. The circuit is integrated into the piece of silicon, commonly called a "chip" or a "silicon chip". The terms "integrated circuit", "semiconductor" and "silicon chip" are used synonymously as commercial ICs are usually fabricated from silicon semiconductors. Integrated circuits are used in a wide range of products including watches, televisions, traffic lights and computers.
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