The first processors featuring Tri-Gate transistors will likely appear later this year.

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Conventional transistors typically have a gate length of 180 billionths of a metre (nanometres).

ECONOMIST: Transistors: A tall story | The

The shorter gate length, and the fact that the gate length does not vary from transistor to transistor, should help chips that are built using vertical transistors to run faster.

ECONOMIST: Transistors: A tall story | The