Fused Quartz Disk Specification Sheet (English Version)

1. Material
Base Material: High-purity synthetic fused silica (SiO₂ ≥99.99%)
Optical Grade: UV-grade transparency with low hydroxyl (OH) content.

2. Dimensions
Parameter       Value   Tolerance
Diameter   100 mm   ±0.05 mm
Thickness   3 mm   ±0.05 mm
Edge Treatment   Fine-ground   ≤0.3 mm chamfer

3. Physical Properties
Density: 2.2 g/cm³
Hardness: Mohs 5.5-6.5
Thermal Expansion: 0.55 × 10⁻⁶/°C (20-300°C)
Softening Point: 1683°C

4. Optical Properties
Transmission Range: 190 nm (UV) to 2500 nm (IR)
Refractive Index: 1.458 @ 587.6 nm (nd)
Surface Quality:
Scratch-Dig: 60/40 (MIL-PRF-13830B)
Surface Flatness: λ/4 @ 632.8 nm

5. Surface Specifications
Ra Roughness: ≤5 Å (polished surfaces)
Parallelism: ≤1 arcmin

6. Chemical Resistance
Resistant to acids (except HF), water, and organic solvents.

7. Applications
Optical windows, laser systems, UV lithography.
Semiconductor processing, high-temperature viewports.

8. Certifications & Compliance
RoHS compliant.
Custom metrology reports available upon request.

9. Packaging
Individually wrapped in anti-static foam.
Shipped in rigid, crush-proof containers.

10. Notes
Avoid mechanical shock or direct contact with sharp objects.
Clean with IPA or acetone using lint-free wipes.
For full technical data or custom requests, contact email[luzhenzhu@tuguanshiying.com].