Manufacturer of compound semiconductor substrates, including gallium arsenide, indium phosphide, and silicon carbide.
AXT, Inc. specializes in the design, development, manufacturing, and distribution of compound and single-element semiconductor substrates, leveraging its proprietary vertical gradient freeze technology. Established in 1986 and headquartered in Fremont, California, the company plays a pivotal role in various high-tech industries.
The core of AXT's product offerings includes indium phosphide substrates, essential for applications in data center connectivity, 5G communications, fiber optic lasers, and photonic integrated circuits. These substrates are also integral to silicon photonics, passive optical networks, and infrared LEDs used in motion control and thermal imaging systems.
In addition to indium phosphide, AXT manufactures semi-insulating gallium arsenide (GaAs) substrates utilized in Wi-Fi and IoT devices, transistors, power amplifiers, and satellite communications. The company also provides semi-conducting GaAs substrates for LEDs, screen displays, 3-D sensing applications, and optical sensors in industrial robotics and near-infrared sensors.
Furthermore, AXT offers germanium substrates crucial for multi-junction solar cells, optical sensors, and detectors deployed in satellites and terrestrial concentrated photovoltaic cells. The company's diverse product portfolio also includes purified gallium, boron trioxide, gallium-magnesium alloy, and pyrolytic boron nitride (pBN) products, supporting various advanced semiconductor applications worldwide. AXT, Inc. markets its products through a direct salesforce across the United States, China, and Europe, complemented by independent sales representatives and distributors in key global markets like Japan, Taiwan, and Korea.