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Custom Chrome on Glass Test Calibration Targets / Charts / Masks-OKLAB
Custom Chrome on Glass Test Calibration Targets / Charts / Masks-OKLAB
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Custom Chrome on Glass Test Calibration Targets / Charts / Masks

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Description
Product Specification
Pattern Substrate Material
Production Process Laser Writing Substrate 
Material 
of Glass		 Soda Lime Glass
(Float Glass)    		 Quartz Glass
(Fused Silica)
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)
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)
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.
• Can cut any shape.
• Can cut a 0.1mm hole.
• High yield to make sure the delivery is on time.

 

ImprovedCustom Chrome on Glass Test Calibration Targets / Charts / Masks

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