Abstract
Achieving maximum operating speed is associated with selecting geometric configurations and, what is a major consideration, with reducing the dimensions of the transistors. The main geometric parameters that are subject to minimization are the dimensions of the transistors’ active regions. These are determined by the distances between electrodes and by the size of the emitter in a bipolar transistor and the gate in a field-effect transistor. With planar devices there are techniques for obtaining horizontal (on the plane of the semiconductor wafer) and vertical structures that differ in principle. The physical processes that govern transistor operation are also quite different in the vertical and horizontal planes. We will therefore examine horizontal (Sec. 2.1) and vertical (Sec. 2.2) device configurations separately.
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Požela, J. (1993). Technological and Physical Limitations on Transistor Miniaturization. In: Physics of High-Speed Transistors. Microdevices. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-1242-8_2
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DOI: https://doi.org/10.1007/978-1-4899-1242-8_2
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