Lux Semiconductors is a microelectronics company developing advanced chip packaging technology called "System-on-Foil" (SoF). This proprietary process aims to improve microelectronics performance by integrating bare die chips directly onto a thin metal substrate with high-density copper interconnects. The SoF technology offers benefits such as smaller form factors, improved high-frequency performance, superior thermal management, and denser integration compared to traditional printed circuit board approaches.
Lux Semiconductors' technology is particularly suited for millimeter wave and radio frequency communications payloads. It allows for wrapping electronics around aircraft or spacecraft, reducing integration complexity and saving internal volume. The company focuses on system miniaturization as an alternative to transistor miniaturization, addressing the limitations of Moore's Law.
Lux Semiconductors has received over USD 6 million in non-dilutive funding from various government agencies, including the US Air Force, US Space Force, US Department of Energy, and National Science Foundation. The company completed its first prototype and planned to move into a commercial semiconductor fabrication plant in 2023. Lux Semiconductors emphasizes domestic manufacturing to support supply chain security and US semiconductor industry growth.
Key customers and partnerships
Lux Semiconductors has been working with Lockheed Martin Space and other prime contractors to demonstrate the benefits of flexible or conformal electronics packaging. The company has won two Small Business Innovation Research contracts from the Air Force and one from the Space Force. Additionally, NextFlex, a consortium funded by the Air Force Research Laboratory to encourage US manufacturing of flexible hybrid electronics, is funding a company project. In 2023, Lux Semiconductors planned to run prototypes for various customers.
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