Hangzhou Freqcontrol Electronic Technology Ltd.
| Payment Terms | T/T |
| Supply Ability | 10000 pieces/Month |
| Delivery Time | 1-4 weeks |
| Packaging Details | Cassette, Jar, Film package |
| Material | Sapphire (Al2O3) Crystal |
| Type | Single Crystal |
| Color | White, transparent |
| Diameter | 2" 3" 4" 6" |
| Surface | DSP SSP |
| Melting Point | 2040 degrees C |
| Shear Modulus (G) | 148.1 GPa |
| Industry | Led，optical Glass，eli-ready Wafer |
| Brand Name | CQT |
| Model Number | Sapphire (Al2O3) |
| Certification | ISO:9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 10000 pieces/Month |
| Delivery Time | 1-4 weeks | Packaging Details | Cassette, Jar, Film package |
| Material | Sapphire (Al2O3) Crystal | Type | Single Crystal |
| Color | White, transparent | Diameter | 2" 3" 4" 6" |
| Surface | DSP SSP | Melting Point | 2040 degrees C |
| Shear Modulus (G) | 148.1 GPa | Industry | Led，optical Glass，eli-ready Wafer |
| Brand Name | CQT | Model Number | Sapphire (Al2O3) |
| Certification | ISO:9001 | Place of Origin | China |
Transform Your Electronics with the Sapphire Wafer The Ultimate Solution for High-Performance Devices
Elevate your high-tech applications with our Premium Sapphire Wafers, crafted from ultra-pure single-crystal aluminum oxide (Al₂O₃) for exceptional hardness, thermal stability, and optical transparency. Ideal for LEDs, power electronics, MEMS sensors, and aerospace components, these wafers deliver unparalleled reliability in demanding environments.
Renowned for their scratch resistance and chemical inertness, our Sapphire Wafers withstand extreme temperatures, corrosive substances, and mechanical stress without compromising performance. Their wide optical transmission range (UV to mid-IR) makes them perfect for laser systems, windows, and photonic devices, while their high thermal conductivity ensures efficient heat dissipation in power semiconductors.
Manufactured under strict ISO standards, each wafer undergoes rigorous quality checks for crystallinity, surface flatness, and defect-free purity. Customizable diameters, orientations, and polishing grades are available to meet your precise requirements.
Transform your innovations with the ultimate in material excellence. Choose our Sapphire Wafers for superior strength, clarity, and longevity. Contact us today to secure your order and unlock new possibilities in advanced technology.
Strength Meets Precision. Performance Beyond Compare.
OPTICAL PROPERTIES
| Transmission | 0.17 to 5.5 um |
| Refractive Index | 1.75449 (o) 1.74663 (e) at 1.06 um |
| Reflection Loss | at 1.06 microns (2 surfaces) for o-ray - 11.7%; for e-ray - 14.2% |
| Absorption Index | 0.3 x 10-3 cm-1 at 2.4 um |
| dN/dT | 13.7 x 10-6 at 5.4 um |
| dn/dm = 0 | 1.5 um |
| Orientation | R-plane, C-plane, A-plane, M-plane or a specified orientation |
| Orientation Tolerance | ± 0.3° |
| Diameter | 2 inches, 3 inches, 4 inches, 6 inches, 8 inches or others |
| Diameter Tolerance | 0.1mm for 2 inches, 0.2mm for 3 inches, 0.3mm for 4 inches, 0.5mm for 6 inches |
| Thickness | 0.25mm, 0.33mm, 0.43mm, 0.65mm, 1mm or others; |
| Thickness Tolerance | 25μm |
| Primary Flat Length | 16.0±1.0mm for 2 inches, 22.0±1.0mm for 3 inches, 30.0±1.5mm for 4 inches, 47.5/50.0±2.0mm for 6 inches |
| Primary Flat Orientation | A-plane (1 1-2 0 ) ± 0.2°; C-plane (0 0-0 1 ) ± 0.2°, Projected C-Axis 45 +/- 2° |
| TTV | ≤10µm for 2 inches, ≤15µm for 3 inches, ≤20µm for 4 inches, ≤25µm for 6 inches |
| BOW | ≤10µm for 2 inches, ≤15µm for 3 inches, ≤20µm for 4 inches, ≤25µm for 6 inches |
| Front Surface | Epi-Polished (Ra< 0.3nm for C-plane, 0.5nm for other orientations) |
| Back Surface | Fine ground (Ra=0.6μm~1.4μm) or Epi-polished |
| Packaging | Packaged in a class 100 clean room environment |
Acceptance Check
1. The product is fragile. We have adequately packed it and labeled it fragile. We deliver through excellent domestic and international express companies to ensure transportation quality.
2. After receiving the goods, please handle with care and check whether the outer carton is in good condition. Carefully open the outer carton and check whether the packing boxes are in alignment. Take a picture before you take them out.
3. Please open the vacuum package in a clean room when the products are to be applied.
4. If the products are found damaged during courier, please take a picture or record a video immediately. DO NOT take the damaged products out of the packaging box! Contact us immediately and we will solve the problem well.
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
1999
Total Annual:
800M-1500M
Employee Number:
10~99
Ecer Certification：
Verified Supplier
Founded in 1999, Hangzhou Freqcontrol Electronic Technology Ltd. is a China leading manufacturer of piezoelectric crystal wafers, substrates, components and single crystal growth. We, known as the "CQT Group" in global market, headquartered in Hangzhou, China, empowered by its manufacturin... Founded in 1999, Hangzhou Freqcontrol Electronic Technology Ltd. is a China leading manufacturer of piezoelectric crystal wafers, substrates, components and single crystal growth. We, known as the "CQT Group" in global market, headquartered in Hangzhou, China, empowered by its manufacturin...
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