Atomera (ATOM) Introduces MST Technology to Enhance GaN-on-Silicon Performance for RF Applications - Insider Monkey

Atomera (NASDAQ: ATOM) introduced its proprietary MST (Modified Surface Treatment) technology on June 4, 2026, aimed at enhancing the performance of GaN-on-Silicon (GaN-on-Si) devices for radio freque... Read original →

Atomera’s MST breakthrough—embedding an oxygen-modified interlayer in GaN-on-Si wafers—slashes parasitic charge by over 90%, enabling silicon-based RF devices to rival RF SOI performance at a fraction of the cost. This disrupts the economics of 5G/6G infrastructure, particularly base stations and mmWave front-ends. Technically, it sidesteps reliance on EUV for sub-3nm nodes by boosting mature-node RF efficiency, though thermal mismatch between Si and GaN remains a yield bottleneck. Geopolitically, if classified as a U.S. “emerging foundational technology,” licensing to foundries in Taiwan, China or mainland China could face export controls, fragmenting supply chains. Competitors like Qorvo may double down on GaN-on-SiC integration to preserve premium positioning, while NVIDIA could leverage MST for AI-RF co-designed chips. Within 18 months, MST may become a strategic material asset in the race for 6G standardization, pushing silicon-based RF adoption beyond 40% market share.