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" |
| Melting Point | 2040 degrees C |
| Young's Modulus (E) | 335 GPa |
| 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" |
| Melting Point | 2040 degrees C | Young's Modulus (E) | 335 GPa |
| 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 |
| High Light | Sapphire wafer for thermal management ，Corundum wafer with high durability ，Piezoelectric wafer for cutting-edge technology | ||
Sapphire Wafer made from corundum providing excellent durability clarity and thermal management for cutting edge technology
Elevate your semiconductor, optoelectronic, or photonics projects with our ultra-high-quality sapphire wafers, engineered for excellence. Crafted from single-crystal sapphire (α-Al₂O₃), our wafers offer unmatched thermal stability, chemical inertness, and optical transparency, making them ideal for demanding applications in LEDs, RFICs, laser diodes, and MEMS devices.
With diameters ranging from 2" to 8" and thicknesses tailored to your specifications, our sapphire wafers deliver exceptional surface flatness (<0.1μm) and minimal defects, ensuring optimal yield and device reliability. Whether you require C-plane, R-plane, or M-plane orientations, we provide customizable solutions to meet your exact needs.
Our state-of-the-art manufacturing process guarantees consistent quality, while competitive pricing and short lead times accelerate your time-to-market. Trusted by industry leaders worldwide, our sapphire wafers are the cornerstone of innovation in high-tech industries.
Choose excellence—choose our sapphire wafers for your next breakthrough. Contact us today to request a quote or discuss your custom requirements. Let’s power the future, together.
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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