Custom BOROFLOAT® 33 Glass Wafers & BF33 Substrates
UniversityWafer supplies precision BOROFLOAT® 33 glass wafers and BF33 borosilicate substrates for universities, research laboratories, semiconductor manufacturers, and photonics companies. Whether you need prototype quantities or production volumes, we can provide high-quality borosilicate glass substrates manufactured to your exact specifications.
BOROFLOAT® 33 is a premium borosilicate glass known for its excellent optical transmission, low coefficient of thermal expansion, outstanding chemical resistance, and exceptional dimensional stability. These properties make it one of the most widely used materials for MEMS fabrication, microfluidic devices, anodic bonding, optical components, and advanced semiconductor research.
Available Specifications
- Round BOROFLOAT® 33 glass wafers
- Square and rectangular BF33 substrates
- Custom wafer diameters and dimensions
- Custom thicknesses
- Single-side polished (SSP)
- Double-side polished (DSP)
- Precision edge finishing
- Prototype through production quantities
Common Applications
- Anodic silicon-to-glass bonding
- MEMS fabrication
- Lab-on-a-chip systems
- Photonics
- Optical windows and covers
- Thin-film deposition
- University and government research
Recent Research Inquiry
"We are developing a MEMS pressure sensor that requires double-side polished BOROFLOAT® 33 wafers for anodic bonding to silicon. Can you supply custom thicknesses with high optical quality and tight flatness tolerances?"
Our engineering team can recommend the ideal BOROFLOAT® 33 substrate dimensions, thickness, surface finish, and polishing specifications for your research or production application.
Get Your BOROFLOAT® 33 Glass Wafer Quote FAST! Or Buy Online and Start Researching Today!
What Is BOROFLOAT® 33 Glass?
BOROFLOAT® 33 is a premium borosilicate float glass engineered for applications that require exceptional optical quality, thermal stability, chemical resistance, and dimensional precision. Manufactured using a highly controlled float process, BOROFLOAT® 33 provides an extremely smooth, flat surface that makes it ideal for semiconductor processing, MEMS fabrication, microfluidics, photonics, optics, and laboratory instrumentation.
UniversityWafer supplies precision BOROFLOAT® 33 glass wafers and BF33 borosilicate substrates in standard and custom sizes for research, prototype development, and commercial manufacturing. Single-side polished, double-side polished, and custom-fabricated substrates are available to meet virtually any application requirement.
Why Choose BOROFLOAT® 33?
Compared with conventional glass materials, BOROFLOAT® 33 offers superior thermal and mechanical performance while maintaining excellent optical transparency. Its low coefficient of thermal expansion makes it especially well suited for bonding to silicon and for applications exposed to temperature cycling.
- Excellent optical transmission
- Low thermal expansion
- Outstanding chemical resistance
- Excellent dimensional stability
- High surface flatness
- Low surface roughness
- Available in custom dimensions and thicknesses
- Compatible with precision microfabrication processes
Common Applications
BOROFLOAT® 33 glass substrates are used across numerous scientific and industrial fields where precision, reliability, and optical performance are essential.
- Silicon-to-glass anodic bonding
- MEMS fabrication
- Lab-on-a-chip systems
- Photonic devices
- Optical windows and covers
- Thin-film deposition
- Biomedical and analytical instruments
Typical BOROFLOAT® 33 Properties
| Property | Benefit |
|---|---|
| Low Thermal Expansion | Excellent dimensional stability during temperature changes |
| High Optical Transmission | Ideal for optical devices and photonics |
| Chemical Resistance | Suitable for laboratory, biomedical, and semiconductor processing |
| Excellent Surface Flatness | Improves lithography, bonding, and thin-film uniformity |
| Mechanical Strength | Reliable handling during fabrication and assembly |
BOROFLOAT® 33 Compared with Other Glass Substrates
| Material | Primary Advantage | Typical Applications |
|---|---|---|
| BOROFLOAT® 33 | Excellent thermal stability and anodic bonding compatibility | MEMS, microfluidics, photonics, semiconductor devices |
| BK7 Glass | High optical clarity and precision optics | Optical lenses, windows, laser systems |
| Soda Lime Glass | Economical general-purpose glass | Protective covers, display glass, basic optics |
| Fused Silica | Exceptional UV transmission and thermal stability | Lasers, UV optics, photonics |
| Quartz | Excellent thermal and chemical resistance | Semiconductor processing, optics, research |