ASM International NV, together with its subsidiaries, engages in the research, development, manufacture, marketing, and servicing of equipment and materials used to produce semiconductor devices. The company operates through two segments, Front-end and Back-end. The Front-end segment manufactures and sells equipment used in wafer processing, encompassing the fabrication steps in which silicon wafers are layered with semiconductor devices in Europe, the United States, Japan, South Korea, and Southeast Asia.

The Back-end segment manufactures and sells equipment and materials that are used in the assembly and packaging, encompassing the processes in which silicon wafers are separated into individual circuits and assembled, packaged, and tested in Hong Kong, the People's Republic of China, Singapore, Malaysia, and Germany. The company's products include wafer processing deposition systems for single-wafer atomic layer deposition, plasma enhanced chemical vapor deposition, epitaxy, and batch diffusion/furnace systems. It serves manufacturers of semiconductor devices and integrated circuits.

The company was formerly known as Advanced Semiconductor Materials International NV.