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| Product Specification | ||||||||
| Pattern | Substrate Material | |||||||
| Production Process | Laser Writing | Substrate Material of Glass |
Soda Lime Glass (Float Glass) |
Quartz Glass (Fused Silica) |
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| Minimum Line/space | 1μm / 0.7μm | Transmission (@550nm) |
>90% | >95% | ||||
| Feature Accuracy Overall Accuracy |
±1μm | Thermal Expansion Coeff (20-200 ℃) |
<80X10⁻⁷/K | <5.0x10⁻⁷/K | ||||
| Coating Type | Bright Chrome (High Reflective) |
Brown Chrome (Usual) |
Blue Chrome (Low Reflective) |
Expansion Ratio (20-200 ℃) |
0.00085％ (8.5μm/℃ of 1m) |
0.00006％ (0.6μm/℃ of 1m) |
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| Reflectivity | < 66% @550nm | <6% @550nm | < 13.4% @550nm | Surface Flatness | <5μm (Dimension<100mm) | <1μm (Dimension<50mm) | ||
| < 73% @650nm | < 17% @650nm | < 1.8% @650nm | <20μm (Dimension<200mm) | <2μm (Dimension<100mm) | ||||
| < 68% @750nm | < 23% @750nm | < 2.67% @750nm | <50μm (Dimension>200mm) | <5μm (Dimension>100mm) | ||||
| Coating Thickness | 120nm (±0.20nm) |
100nm (±0.20nm) |
120nm (±0.20nm) |
Surface Roughness | <0.025μm | |||
| Optical Density OD | >3 | >3 | >4.5 | Thickness | 1.6mm (±0.3mm) |
2.3mm (±0.3mm) |
3.0mm (±0.3mm) |
4.8mm (±0.3mm) |
| White Background | Minimum Line/space: 10μm, Thickness: 40μm (White & Smooth Coating on the Back Side) |
MIN / MAX Overall Size |
MIN: 4x4mm, MAX: 800x960mm (±0.1mm) |
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| Positive / Negative | Positive: Opaque Pattern, Clear Background. Negative: Clear Pattern, Opaque Background. |
Overall Shape | Any Shape by Laser Cutting |
Square | Oval | Round | ||
| Frosted Glass on the Back | Frosted glass on the back are on request. | Special-shaped | Hole | Chamfer | Angle | Corner | ||
| Custom Service | |||
| Digitalize Drawing | Our engineers would help you digitize the drawing for free. | Customization Production Days | 5-10 Working Days |
| Third Party Certification | Available | Matchable Backlight | Provide matchable backlight for glass targets. |
|
• Cutting is accurate, tolerance ±0.01mm. |
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