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 Wafer |
| Type | Single Crystal |
| Color | White / Red / Blue |
| Growth Method | Horizontally Directed Crystallization (HDC) |
| Surface | Double side polish |
| VIS range | 85% |
| Application | Semicondutor Wafer, Led Chip, Optical Glass Window, Electronic Ceramics |
| Industry | Led，optical Glass，eli-ready Wafer |
| Brand Name | BonTek |
| 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 Wafer | Type | Single Crystal |
| Color | White / Red / Blue | Growth Method | Horizontally Directed Crystallization (HDC) |
| Surface | Double side polish | VIS range | 85% |
| Application | Semicondutor Wafer, Led Chip, Optical Glass Window, Electronic Ceramics | Industry | Led，optical Glass，eli-ready Wafer |
| Brand Name | BonTek | Model Number | Sapphire (Al2O3) |
| Certification | ISO:9001 | Place of Origin | China |
| High Light | Stepanov's Sapphire Wafer ，HDC 3 inch Wafer ，Sapphire Wafer 2Inch | ||
Stepanov's Method Grown Sapphire Wafer 2Inch 3inch 4inch 6inch R-Axis M-plane
Stepanov's method is used for growth of monocrystal sapphire details of various configurations, including sapphire rods, pipes and tapes.
The method of Horizontally Directed Crystallization is widely used in the synthesis of large sapphire monocrystals. The elements of the directed crystallization and zonal melting are successfully combined in the Gorizontally Directed Crystallization (HDC) method. The crystal grows at slow movement of the local melted zone along the container with the furnace charge, having a boat form. The Horizontal Directed Crystallization method provides receiving of monocrystalline sapphire with small sizes dispersion of cross section and allows to grow up sapphire monocrystal of any crystallographic orientation in the form of plates of the record sizes unattainable at use of other growth methods.
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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