Circuit layout structure and method

摘要

A symmetrical circuit layout structure includes a number of signal wires, a ground wire and a dielectric layer. The signal wires include a first portion placed on a first plane and a second portion placed on a second plane. The ground wire includes a first portion placed above the first portion of the signal wires and adjacent to the second portion of the signal wires, and a second portion placed below the second portion of the signal wires and adjacent to the first portion of the signal wires. The dielectric layer is placed between the first plane and the second plane.