Sapphire Substrate 2 inch C-plane Intelligence
Single-crystal sapphire wafers for growing GaN semiconductors and optoelectronic devices.
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Live value: $25/wafer · Range: $25–$80
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About
Sapphire substrate 2-inch C-plane wafers are single-crystal aluminum oxide (Al2O3) discs grown using the Kyropoulos or Czochralski methods at temperatures exceeding 2000°C. The C-plane orientation refers to the crystal's hexagonal structure cut perpendicular to the optical axis, providing optimal properties for epitaxial growth. These substrates serve as foundations for growing gallium nitride (GaN) and other III-V semiconductors used in LEDs, laser diodes, and power electronics. Key properties include exceptional hardness (9 on Mohs scale), chemical inertness, thermal stability up to 1800°C, and excellent optical transparency from UV to infrared wavelengths. The 2-inch diameter represents a standard wafer size for R&D and small-scale production. Makers purchase these substrates for prototyping optoelectronic devices, developing LED technologies, creating high-frequency RF components, and manufacturing power semiconductor devices requiring superior thermal management and electrical insulation properties.
FAQ
What is Sapphire Substrate 2 inch C-plane primarily used for?+
Single-crystal sapphire wafers for growing GaN semiconductors and optoelectronic devices.
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Pricing is tracked from live listings and normalized into a $25–$80 intelligence range.
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