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Anti-reflective Coating Optical Glass Substrates For Inspection Systems

Anti-reflective Coating Optical Glass Substrates For Inspection Systems

Material:

Base Substrate: High-precision borosilicate glass (e.g., Borofloat 33) or fused silica, selected for exceptional flatness, thermal stability, and chemical resistance.
Coating Technology: Multi-layer dielectric coatings (e.g., MgF₂, SiO₂, Ta₂O₅) applied via precision magnetron sputtering or vapor deposition.
Design Types: Customizable as broadband AR (visible-NIR spectrum) or V-coating (single-wavelength optimization).

Key Properties:

Ultra-Low Reflectance: Achieves <0.5% surface reflectance (vs. 4-8% for uncoated glass), maximizing light throughput.
High Transmission Efficiency: Delivers >99.5% light transmission in target wavelengths, minimizing signal loss.
Angular Stability: Maintains performance across 0-45° incidence angles critical for oblique imaging.
Environmental Durability: Resists delamination, humidity, and UV degradation under continuous operation.
Surface Quality: Sub-Ångstrom roughness (<5Å Ra) prevents light scattering artifacts.
Thermal & Chemical Resilience: Withstands cleaning solvents and thermal cycling (-60°C to +300°C).

Primary Function:

To eliminate stray reflections and maximize contrast in high-precision optical inspection systems.
Minimizes ghost images and flare caused by surface reflections.
Enhances signal-to-noise ratio for accurate defect detection.
Preserves light intensity across complex optical paths.

Main Applications in Inspection Systems:

Semiconductor Metrology:
- Wafer defect scanners
- EUV lithography inspection optics
- Mask alignment systems
Automated Optical Inspection (AOI):
- PCB assembly verification
- Display panel defect detection (OLED/LCD)
Biomedical Imaging:
- Microscope objectives for pathology
- Flow cytometry lenses
Industrial Vision Systems:
- Laser triangulation sensors
- Machine vision lenses for assembly lines
Aerospace NDT:
- Ultrasonic probe windows
- Endoscope optics for turbine inspection
Photonics Testing:
- Optical interferometer plates
- Spectrometer windows

In essence: Anti-reflective Coating Optical Glass Substrates are precision-engineered components that solve reflection-induced accuracy issues in critical inspection systems. By applying advanced multi-layer dielectric coatings to ultra-flat borosilicate or fused silica substrates, they achieve near-invisible surface performance (<0.5% reflectance), enabling defect detection at micron/sub-micron scales. These substrates directly enhance the reliability of semiconductor metrology, AOI equipment, and biomedical imaging tools where every photon matters.

Name	Glass disc, Glass wafer, Glass substrate, Sight glass
	ofloat
Diameter Tolerance	+0/-0.2 mm
Thickness Tolerance	+/-0.2 mm
Processed	By Cutting,Grinding, Polishing
Working temperature	Resisting high temperature shock
Surface Quality	80/50,60/40,40/20
Material Quality	No scratches and air bubble
Transmission	>90% for visible light
Chamfer	0.1-0.5 mm x 45 degree
Surface Coating	Available
Usage	Photography, Lighting system, industrial area.

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Categories	Optical Window
Brand Name:	LONGWAY
Model Number:	YY223533123
Certification:	ISO9001
Place of Origin:	China
MOQ:	600 pieces
Price:	NEGOTIATION
Payment Terms:	D/P,T/T,Western Union
Supply Ability:	80000 Pieces per Month
Packaging Details:	electrolytic capacitor paper,foam,carton
Surface:	Optical grade
Transmission:	>90 %
Coating:	Available
Processing:	Polishing
Application:	Optics and Laser
OEM:	Available