Custom Glass Chrome Calibration Plate

Name: Custom Glass Chrome Calibration Plate
SKU: 251

Minimum Line Width 0.7 μm

Custom Backlight Source Optional pairing with the calibration plate upon request

Bright Chrome Glass Plate (High Reflectance)

Brown Chrome Glass Plate (Common)

Blue Chrome Glass Plate (Low Reflectance)

Technical Specifications

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Pattern				Substrate
Process	Photolithography			Glass Substrate	Soda-Lime Glass (Float Glass)		Quartz Glass (Fused Silica)
Min. Line Width	1 μm / 0.5 μm			Transmittance (@550nm)	>90%		>95%
Feature Accuracy Overall Accuracy	±1 μm			CTE (20-200 °C)	<80X10 /K		<5.0x10 /K
Coating	Bright Chrome (High Reflectance)	Brown Chrome (Common)	Blue Chrome (Low Reflectance)	Expansion Ratio (20-200 °C)	0.00085% (8.5μm/°C of 1m)		0.00006% (0.6μm/°C of 1m)
Reflectance	< 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 Backing	Minimum Line Width: 10μm, White Backing Thickness: 40μm (Smooth white coating on the back side)			Min / Max Size	MIN: 4x4mm, MAX: 800x960mm (±0.1mm)
Positive / Negative Pattern	Positive: Pattern area is coated/colored Negative: Pattern area is clear/clean			Outline Shape	Laser Cutting Any custom shape	Square	Oval	Circle
Back-side Glass Frosting	Back-side frosting can be applied on request			Special Features	Holes	Chamfer	Bevel Angle	Internal Corner Cut

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Max Emitting Area	2.1x1.4m
Uniformity	95%
Infrared	IR / Visible options available
High Brightness	Optional
CCT	Selectable: 2700–7000K

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