lam research corporation is an american corporation that engages in the design, manufacture, marketing, and service of semiconductor processing equipment used in the fabrication of integrated circuits.[2] its products are used primarily in front-end wafer processing, which involves the steps that create the active components of semiconductor devices (transistors, capacitors) and their wiring (interconnects). the company also builds equipment for back-end wafer-level packaging (wlp), and for related manufacturing markets such as for microelectromechanical systems (mems).