In semiconductor manufacturing, photolithography is often referred to as the “soul of chip fabrication.” Whether it is Deep Ultraviolet (DUV) lithography or Extreme Ultraviolet (EUV) lithography, both rely on high-precision optical systems to accurately transfer nanoscale patterns. In these optical systems,

Quartz glass is a specialty glass material primarily composed of silicon dioxide (SiO₂). Owing to its high purity, broad spectral transmission, extremely low coefficient of thermal expansion, and excellent resistance to thermal shock, corrosion, and deep-UV radiation, quartz glass is widely used in optics, semiconduct

In advanced optical systems, the choice of substrate material has a direct impact on optical transmission efficiency, system stability, and long-term reliability. Fused silica wafers and sapphire substrates are two widely used high-performance materials in optical applications, including lasers, optical communications,

In the fabrication of nitride semiconductor and oxide epitaxial materials, the crystal orientation and cutting method of the substrate play a decisive role in epitaxial quality. Off-axis sapphire substrates are a class of high-performance substrates in which a precisely controlled miscut angle is introduced relative to

In the manufacturing of nitride-based semiconductor devices—such as LEDs, Mini-LEDs, Micro-LEDs, and power electronics—the choice of substrate plays a critical role in determining epitaxial quality and overall device performance. Among available substrate materials, sapphire substrates have become one of th

As third-generation semiconductors and advanced display technologies continue to evolve, substrate size has become a key factor in improving manufacturing efficiency and device performance. Following the successful mass production of 2-inch, 4-inch, 6-inch, and 8-inch sapphire substrates, 300 mm (12-inch) large-diamete

Sapphire (Al₂O₃) has become one of the most important foundational materials in global optoelectronics and compound semiconductor epitaxy. With its exceptional thermal, optical, and chemical stability, sapphire substrates are widely used in LED epitaxy, advanced displays, ultraviolet light sources, and emerging elect

In the fields of solid-state lighting and advanced optoelectronics, Patterned Sapphire Substrates (PSS) have become an essential material technology for enhancing device performance, improving manufacturing efficiency, and enabling next-generation applications. As Mini/Micro LED displays, AR optics, and high-power ligh

With the rapid development of semiconductor, optics, precision machining, and high-power device industries, the demand for high-performance diamond materials continues to rise. Diamond is regarded as a next-generation strategic material thanks to its exceptional hardness, thermal conductivity, wide bandgap, and chemica

In today’s optoelectronics and semiconductor industries, sapphire (Al₂O₃) has become an indispensable foundational material thanks to its exceptional physical, chemical, and optical properties. From high-brightness LED lighting to advanced RFICs, and even precision consumer-electronics windows, the size and spe