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2-inch DSP Sapphire Wafer 200 µm Al₂O₃ for LED & Optical Applications

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Gedetailleerde informatie

Productomschrijving

2-inch DSP Sapphire Wafer 200 µm Al₂O₃ for LED & Optical Applications

Product Overview

Our 2-inch Double Side Polished (DSP) sapphire wafers are precision-engineered from high-purity monocrystalline aluminum oxide (Al₂O₃). With ultra-flat, epi-ready surfaces and minimal bow, these wafers are ideal for GaN epitaxial growth, high-precision optics, semiconductor devices, and camera applications.

2-inch DSP Sapphire Wafer 200 µm Al₂O₃ for LED & Optical Applications 0

Product Highlights & Specifications

Parameter	Specification
Material	High-purity monocrystalline sapphire (Al₂O₃)
Diameter	50.8 mm (2-inch)
Thickness	200 µm ± 15 µm
Surface Finish	Double Side Polished (DSP), epi-ready
Wafer Orientation	C-axis (0001) standard; custom orientations available
Bow	<10 µm
Total Thickness Variation (TTV)	≤ 10 µm
Warp	≤ 10 µm
Front Surface Roughness	Ra ≤ 0.3 nm
Back Surface Roughness	Ra = 1.0 ± 0.2 µm
Edge	45° or C-shape
Packaging	Vacuum-sealed, Class 100 cleanroom, 25 pcs per cassette
Customization	Thickness, orientation, and shape available on request

Key Advantages

High Hardness: Mohs 9, second only to diamond, ensuring excellent scratch and wear resistance.
Optical Transparency: Wide spectral transmission from near-UV to mid-IR for high-efficiency photon use.
Thermal & Chemical Stability: Thermal conductivity ~42 W/m·K, stable up to 1800–1900°C, resistant to acids and alkalis.
Precision Manufacturing: Ultra-flat surfaces with low bow and TTV, suitable for epi-ready applications.

Applications

Substrates for GaN epitaxial growth (LEDs, laser diodes)
High-precision optical components (lenses, windows)
Semiconductor test substrates
Infrared imaging systems
Photonics and camera modules

FAQ

Q: Can thickness and orientation be customized?

A: Yes, custom thicknesses from 100 µm to 500 µm and orientations (C, A, R, M) are available.

Q: What is the minimum order quantity?

A: 25 pcs per order.

Q: How is quality ensured?

A: Each wafer undergoes pre-production sample testing, final inspection, and Class 100 cleanroom vacuum packaging.

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