IBM’s 2nm transistors are important because of the size, because of the size

IBM announced last week that it has developed technology to produce chips With 2nm transistor. You may think so Other episodes Of Our explanation show, Upscaled, small transistors usually help to improve performance or energy efficiency. The current state of the industry is usually around 5nm or 7nm, so this is an impressive jump, although comparing sizes between different manufacturers is not always accurate.

More interesting than their size is that these chips will be made with the so-called “nanosheet” design. Most modern transistors are based on “finfet” where the current flowing in the transistor extends to a fin. Nanosheets, or “gate-all-around” transistors, turn this fin into a stack of individual ribbons and should be able to improve energy efficiency by design, and engineers should be able to more easily shake the electrical properties of different parts of the chip. FinFET has been standard since 2011, so displaying the new transistor style is a great work in the world of semiconductors.

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