In the relentless march of technological advancement, the semiconductor industry remains at the forefront of innovation. Among the myriad breakthroughs, FinFET technology stands out as a recent focal point in research. Serving as an avant-garde semiconductor manufacturing process, FinFET plays a pivotal role in enhancing chip performance, diminishing power consumption, and minimizing component size. At its core, FinFET is a distinct type of field-effect transistor (FET) that utilizes a thin silicon fin as the conducting channel. This structure has revolutionized the way transistors are designed, offering remarkable control over the current flow through the channel. This control is achieved by wrapping a gate material around the three visible sides of the fin, which provides superior switching behavior and leakage reduction. Beyond its foundational principles, FinFETs inherent characteristics offer numerous advantages. For instance, the technology paves the way for more densely packed transistors, enabling more powerful yet compact integrated circuits. Moreover, its innovative design leads to more energy-efficient chips, which are crucial for todays demanding computing and electronic environments.