Lithography
Lithography is a microfabrication technique used to transfer patterns onto a substrate, such as a silicon wafer, by selectively exposing it to light, electrons, or other radiation through a mask. It is a critical process in semiconductor manufacturing for creating integrated circuits and microelectromechanical systems (MEMS). The technique involves coating the substrate with a light-sensitive material called photoresist, exposing it to pattern the resist, and then etching or depositing materials to form the desired structures.
Developers should learn about lithography when working in fields like semiconductor design, nanotechnology, or hardware engineering, as it underpins the fabrication of microchips and electronic devices. Understanding lithography is essential for optimizing chip layouts, improving manufacturing yields, and developing advanced technologies such as processors, sensors, and memory devices. It is also relevant for roles involving photolithography in research, cleanroom operations, or when dealing with microfabrication processes in academic or industrial settings.