【Member News】Shandong SINOGa Valley Semiconductor Breaks Bottleneck Barriers with Twin-Free Ga₂O₃ Technology, Reshaping the New Landscape of Solar-Blind Ultraviolet Detection

      In the fields of aerospace security, electro-optical countermeasures and precision detection, the solar-blind ultraviolet (UV) band features zero solar background interference, high signal-to-noise ratio and high concealment. It serves as the core detection window for high-end equipment including missile early-warning and electro-optical reconnaissance systems.

      For a long time, the core single-crystal materials and fabrication processes for high-end solar-blind UV photodetectors have been monopolized by overseas players. Issues such as abundant crystal defects, insufficient detection accuracy and poor stability constitute core bottlenecks restricting the domestic localization of China’s electro-optical countermeasure equipment.

      As a fourth-generation ultra-wide-bandgap semiconductor, gallium oxide (Ga₂O₃) has an ultra-wide bandgap ranging from 4.4 eV to 5.3 eV, making it the optimal base material for full-band solar-blind UV detection. In particular, the growth process for twin-free Ga₂O₃ single crystals of the (001) crystal plane is a globally-acknowledged technical challenge and a key bottleneck restricting mass-production of high-end detection devices.

      Backed by its R&D team led by doctors of philosophy, Shandong SINOGa Valley Semiconductor has delved into underlying core technologies for gallium oxide. It has specifically overcome technical barriers including (001)-plane twin defects, lattice distortion and homogeneous large-size crystal growth. Stable mass-production of twin-free Ga₂O₃ single crystals covering the full 2-inch to 6-inch size spectrum has been accomplished, with crystal purity and lattice integrity attaining world-class performance.

      This core technology resolves industry pain points including slow response and high false-alarm rates of conventional substrates at the source. The well-ordered and flawless lattice structure greatly boosts device photoelectric-conversion efficiency as well as the capacity to capture weak signals. It endows detection equipment with high precision, rapid response and strong anti-interference performance. Suited for complex application scenarios such as electro-optical countermeasures, aerospace early-warning and security monitoring, the technology is gradually breaking overseas technological monopolies.

      Drawing on its R&D strengths, SINOGa Valley Semiconductor has built a complete industrial-chain loop of “technology breakthrough → material mass-production → application implementation”. Relying on its independently controllable core twin-free process, the company continuously supplies highly-reliable, mass-manufacturable domestically-produced core substrates for home-grown UV photodetectors and high-end optoelectronic equipment, filling gaps within China’s optoelectronic-detection industrial chain.

      Going forward, SINOGa Valley Semiconductor will keep forging ahead along the fourth-generation ultra-wide-bandgap semiconductor track. It will consolidate industrial moat via indigenous innovation technologies, and help realize core-material self-reliance as well as high-quality development for China’s aerospace security and electro-optical countermeasure sectors, thereby reshaping the new landscape of the solar-blind UV detection industry.