United Semiconductors Reserves Starlab Payload Space to Scale In‑Space Semiconductor Manufacturing

Starlab Space and United Semiconductors LLC have entered into a payload reservation agreement that positions semiconductor crystal growth as one of the earliest commercial manufacturing lines planned for the Starlab space station. The partnership builds on United Semiconductors’ successful microgravity crystal growth mission aboard the International Space Station and marks a shift from experimental demonstrations toward sustained, commercial‑scale production in low Earth orbit.

Transitioning From ISS Demonstration to Scalable Production

United Semiconductors’ ISS mission validated microgravity as a uniquely stable environment for growing bulk and thin‑film semiconductor crystals with higher uniformity, fewer defects, and improved device performance compared to terrestrial processes. The company’s proprietary platform is designed to leverage reduced gravity and, when required, the pure vacuum conditions available on external orbital platforms. These environmental advantages support the production of advanced semiconductor materials that are difficult or hazardous to manufacture on Earth.

Through Starlab, United Semiconductors will gain access to internal and external payload accommodations that increase throughput, shorten logistics cycles, and reduce production costs. The agreement also supports stronger intellectual property protections, a key factor for commercializing high‑value semiconductor materials.

Strengthening U.S. Semiconductor Supply Chains

The collaboration aligns with broader national efforts to reinforce domestic semiconductor supply chains and accelerate development of next‑generation materials. United Semiconductors is the only U.S. producer capable of 6‑inch III‑V binary semiconductor substrates and the only global producer capable of large‑area III‑V ternary substrates. Its expansion into in‑space manufacturing is intended to support applications across aerospace systems, AI‑enabled platforms, advanced sensing, energy‑efficient computing, and national security infrastructure.

Starlab leadership highlights advanced materials manufacturing as one of the most strategically important commercial sectors emerging in low Earth orbit. By providing a stable, repeatable production environment, Starlab aims to enable commercial partners to scale from successful missions to routine manufacturing operations.

Starlab’s Commercial Platform and Operational Model

Starlab’s architecture is designed to reduce cost and complexity for research and commercial manufacturing customers. Its single‑launch, no‑assembly‑required station design is intended to achieve operational readiness within weeks of reaching orbit, minimizing delays for payload users. Through its joint venture partners, Starlab customers can conduct research aboard the ISS today, ensuring continuity as Starlab’s next‑generation capabilities come online.

The agreement with United Semiconductors represents one component of Starlab’s broader commercial ecosystem, which spans scientific research, technology development, and industrial production in orbit.

Company Backgrounds

United Semiconductors LLC operates a semiconductor substrate production facility in Los Alamitos, California and has supplied critical materials to the U.S. defense sector and national laboratories since 2005. The company has expanded its crystal growth capabilities to include in‑space manufacturing, leveraging microgravity to produce high‑performance semiconductor materials.

Starlab Space is a U.S.‑led joint venture among Voyager Technologies, Airbus, Mitsubishi Corporation, MDA Space, Palantir Technologies, and Space Applications Services, with additional strategic partners across aerospace, hospitality, and academia. The company is developing an AI‑enabled commercial space station designed to support continuous human presence in low Earth orbit and provide a premier platform for scientific and industrial activity.