Aixtron SE (Aixtron) is a provider of deposition components to the semiconductor industry. Its products find application in LED, laser, optical and wireless data transmission, display technologies SiC and GaN power electronics, and many other leading-edge applications. The company engages in various business activities encompassing the advancement, manufacturing, and implementation of sophisticated semiconductor material deposition equipment. Aixtron offers compound semiconductors Metal Organic Chemical Vapour Deposition (MOCVD). Compound semiconductor materials are utilized in the MOCVD process (Metal-Organic Chemical Vapor Deposition) to produce components for power electronics or optoelectronics.

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Aixtron R&D arm focuses on development programs for future technologies and new products. It also focuses on improvement of existing products. The company design amendments of externally supplied components or through improved data analysis. It also focuses on maintaining leading position in MOCVD equipment for applications such as lasers, Micro LEDs, production of wide-band-gap materials for power electronics. As of December 2025, the company had 306 patent families available and the company has filled for 22 patent applications. In FY2025, the company incurred an expense of EUR81.1 million on R&D activities, which as a percentage of revenue stood at 14.6%.