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Optical Quartz Glass Bell Jar
Made from optical quartz glass, this bell jar provides high transmittance and reliable thermal performance. It can be supplied in JGS1, JGS2, or JGS3 grades for different optical and industrial applications, with custom dimensions available.
Product Description
- Material: Quartz Glass
- Shape: Circular
Key Specifications
- Diameter: 50.0 ±0.1 mm
- Thickness: 3.0 ±0.05 mm
- Surface Finish: Double-side polished (Ra ≤ 5 nm)
- Crystallographic Orientation: C-plane (0001) [Customizable]
- Edge Treatment: Chamfered (0.2 mm max)
Physical Properties
- Density: 3.98 g/cm³
- Hardness: 9.0 Mohs
- Transmittance Range: 0.15–5.5 μm
- Thermal Conductivity: 35 W/(m·K) @ 25°C
Quality Standards
- Flatness: ≤ 1 μm/cm
- Parallelism: ≤ 1 arcmin
- Laser Marking: Optional (Lot ID/Custom text)
Applications
- Optical, Semiconductor, LED Substrates, etc.
Packaging
- Cleaning: Ultrasonic-cleaned, Class 100 cleanroom
- Storage: Vacuum-sealed, anti-static container
Notes
Custom specifications (e.g., orientation, coatings, metrology reports) available upon request.
Compliance with RoHS & REACH standards.
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