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