Sapphire wafers are premium single-crystal aluminum oxide (Al2O3) substrates known for their exceptional hardness, optical transparency, thermal stability, and chemical resistance. UniversityWafer supplies C-plane, A-plane, M-plane, and R-plane sapphire substrates with custom diameters, thicknesses, orientations, and SSP or DSP finishes for GaN epitaxy, LEDs, RF devices, optics, photonics, MEMS, and advanced university research.
UniversityWafer supplies premium sapphire wafers and optical substrates for semiconductor fabrication, LED manufacturing, photonics, RF electronics, MEMS, and advanced scientific research. Our single-crystal aluminum oxide (Al2O3) wafers are available in multiple crystallographic orientations with custom diameters, thicknesses, edge profiles, and polished finishes to meet demanding research and production requirements.
"We are developing GaN-based power electronics and require 4-inch C-plane sapphire wafers with double-side polishing, low bow, and excellent surface quality for epitaxial growth. Please provide available specifications and lead times."
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Sapphire wafers are precision-engineered substrates manufactured from single-crystal aluminum oxide (Al2O3). Renowned for their exceptional hardness, optical transparency, thermal conductivity, and chemical resistance, sapphire substrates are widely used in semiconductor manufacturing, optoelectronics, RF devices, LEDs, photonics, MEMS, and scientific instrumentation. Their outstanding durability and electrical insulation make them one of the most versatile substrate materials available.
UniversityWafer supplies sapphire wafers in a variety of crystallographic orientations to meet different device requirements. The most common is C-plane (0001), extensively used for GaN epitaxial growth and LED fabrication. Other orientations include A-plane, M-plane, and R-plane, each providing unique optical, electrical, and mechanical properties for lasers, RF electronics, photonic devices, and advanced research applications.
Sapphire is one of the hardest engineering materials available, second only to diamond among commonly used optical crystals. It combines excellent optical transmission from the ultraviolet through the infrared spectrum with high thermal stability, superior chemical resistance, low dielectric loss, and outstanding electrical insulation. These characteristics make sapphire an ideal material for demanding environments where mechanical strength and optical performance are equally important.
Sapphire wafers are utilized across numerous industries that require durable, high-performance substrates. Typical applications include:
UniversityWafer offers custom sapphire substrates with diameters up to 200 mm, SSP or DSP finishes, precision thicknesses, custom edge profiles, and specialized crystal orientations. Whether your project requires research-grade substrates, production-quality wafers, optical windows, or custom sapphire components, our engineering team can help you select the optimal material for your application.