Custom Black Coating on Glass Test Calibration Targets / Charts / Masks

Model NO.    :

Black Coating on Glass Test Calibration Targets
Product Specification
Pattern Substrate Material
Production Laser Writing Substrate Material of Glass Soda Lime Glass
Minimum Line/space 20 μm Thermal Expansion Coeff (15-200 ℃) <100X10⁻⁷
Feature Accuracy Overall Accuracy ±2μm Transmission (400~700nm) >90%
Coating Type Black Coating Chrome+ Black Coating White PE + Black Coating (Perfectly Replace Ceramics) Expansion Ratio 0.00085% (8.5μm/℃ of 1M)
Reflectivity < 3.89% @550nm < 4.88% @540nm <4.68% @550nm Surface Flatness <10μm (Dimension<100mm)
< 4.08% @650nm < 4.99% @640nm < 4.72% @650nm
< 3.67% @750nm < 4.16% @740nm < 4.164% @750nm
Coating Thickness 0.06mm (±0.01mm) 0.04mm (±0.01mm) 0.12mm (±0.01mm) Thickness 1mm (±0.3mm) 1.6mm (±0.3mm) 3.2mm (±0.3mm) 4mm (±0.3mm) 4.8mm (±0.3mm)
Optical Density OD >5 >4.2 >3 MIN / MAX Size MIN: 3x3mm (±0.1mm) MAX: 1.5x2.6m (±0.1mm)
Coating Glossy or Matte Matte Matte Matte Rockwell hardness 3-3.5 HRA
Reflection Type Transmission Transmission Diffuse Reflection Surface Quality Scratch/Dig 40-20
Positive / Negative Positive: Opaque Pattern, Clear Background. Negative: Clear Pattern, Opaque Background. Surface Roughness <0.2-0.7μm
Protection Layer Available Cutting Any Shape by Laser Cutting (±0.01mm)
Custom Service
Digitalize Drawing Our engineers would help you digitize the drawing for free. Third Party Certification Provide third-party certification reports.
Matchable Backlight Provide matchable backlight for glass targets. Test Report by OKLAB Available
Customization Quantity Customization MOQ is 1 pcs. Customization Production Days 5 Working Days

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