SHANGHAI FAMOUS TRADE CO.,LTD
| Payment Terms | T/T |
| Annealing Point | 560°C |
| Refractive Index | 1.47 |
| SiO₂ Content | >80% |
| Thermal Expansion Coefficient | 3.3 × 10⁻⁶ /K |
| Strain Point | 520°C |
| Density | 2.23 g/cm³ |
| Light Transmission | >90% (visible range) |
| Surface Roughness | <1 nm (DSP grade) |
| Delivery Time | 2-4 Weeks |
| Softening Point | 820°C |
| Brand Name | ZMSH |
| Place of Origin | SHANGHAI,CHINA |
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Product Specification
| Payment Terms | T/T | Annealing Point | 560°C |
| Refractive Index | 1.47 | SiO₂ Content | >80% |
| Thermal Expansion Coefficient | 3.3 × 10⁻⁶ /K | Strain Point | 520°C |
| Density | 2.23 g/cm³ | Light Transmission | >90% (visible range) |
| Surface Roughness | <1 nm (DSP grade) | Delivery Time | 2-4 Weeks |
| Softening Point | 820°C | Brand Name | ZMSH |
| Place of Origin | SHANGHAI,CHINA |
BOROFLOAT 33 BF33 Borosilicate Glass Wafer for Semiconductor MEMS and Optical ApplicationsBF33 (BOROFLOAT 33) is a high-performance borosilicate glass wafer manufactured using advanced microfloat technology. It is widely used in semiconductor, MEMS, optical, and microfluidic applications due to its excellent thermal stability, high optical transmission, and strong chemical resistance.
With a thermal expansion coefficient of approximately 3.3 × 10⁻⁶ /K, BF33 closely matches silicon, making it an ideal substrate for wafer bonding, microfabrication, and precision optical systems.
It offers excellent flatness, ultra-low surface roughness, and high mechanical strength, making it suitable for demanding cleanroom and precision engineering environments.
| Property | Value |
|---|---|
| SiO₂ Content | >80% |
| Thermal Expansion Coefficient | 3.3 × 10⁻⁶ /K |
| Refractive Index | 1.47 |
| Density | 2.23 g/cm³ |
| Softening Point | 820°C |
| Annealing Point | 560°C |
| Strain Point | 520°C |
| Light Transmission | >90% (visible range) |
| Surface Roughness | <1 nm (DSP grade) |
| Chemical Resistance | ISO Class 1 (water & acids) |
| Alkali Resistance | ISO Class 2 |
Key Features| Item | Options |
|---|---|
| Diameter | 2 inch / 4 inch / 6 inch / 8 inch / Custom |
| Thickness | 0.1 mm – 10 mm |
| Surface Type | Single side polished (SSP) / Double side polished (DSP) |
| Surface Roughness | <1 nm (DSP available) |
| Flatness | Low TTV available upon request |
| Edge Finish | Rounded / Chamfered / Custom |
| Packaging | Cleanroom vacuum sealed packaging |
BF33 borosilicate glass wafer combines silicon-matched thermal expansion, excellent optical performance, high chemical durability, and MEMS-compatible surface quality.
It is widely used as a bridge material between semiconductor processing, optical engineering, and micro-scale device fabrication.
FAQBF33 is a high-purity borosilicate glass wafer produced by microfloat technology, featuring low thermal expansion, high optical clarity, and strong chemical resistance.
Its thermal expansion closely matches silicon, reducing stress during bonding and improving stability in MEMS and wafer-level processes.
Yes, BF33 wafers are available in SSP and DSP forms. Double-side polished wafers can achieve surface roughness below 1 nm.
Yes, it provides high transmission from UV to near-infrared wavelengths, making it ideal for optical and photonic systems.
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Company Details
Business Type:
Manufacturer,Agent,Importer,Exporter,Trading Company
Year Established:
2013
Total Annual:
1000000-1500000
Ecer Certification：
Verified Supplier
SHANGHAI FAMOUS TRADE CO.,LTD. locates in the city of Shanghai, Which is the best city of China, and our factory is founded in Wuxi city in 2014. We specialize in processing a varity of materials into wafers, substrates and custiomized optical glass parts.components widel... SHANGHAI FAMOUS TRADE CO.,LTD. locates in the city of Shanghai, Which is the best city of China, and our factory is founded in Wuxi city in 2014. We specialize in processing a varity of materials into wafers, substrates and custiomized optical glass parts.components widel...
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