ASM is a Dutch headquartered multinational corporation that specializes in the design, manufacturing, sales and service of semiconductor wafer processing equipment for the fabrication of semiconductor devices. ASM's products are used by semiconductor manufacturers in front-end wafer processing in their semiconductor fabrication plants. ASM's technologies include atomic layer deposition, epitaxy, chemical vapor deposition and diffusion. The company was founded by Arthur del Prado as 'Advanced Semiconductor Materials' in 1964. From 2008 until 2020, son of Arthur del Prado, Chuck del Prado was CEO. ASM pioneered important aspects of many established wafer-processing technologies used in industry, including lithography, deposition, ion implantation, single-wafer epitaxy, and in recent years atomic layer deposition. Semiconductor equipment companies ASML, ASM Pacific Technology and Besi are former divisions of ASM. ASM headquarters is located in Almere, the Netherlands. The company has R&D sites in Almere, Helsinki, Leuven, Phoenix, Tama, and Dongtan. Manufacturing primarily occurs in Singapore and Dongtan. Wikipedia