Mohs 9 Single Crystal Sapphire
Ultra-hard aerospace-grade substrate provides excellent scratch resistance, impact resistance and long-term durability under harsh airborne and orbital conditions.
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aerospace sapphire cover | Custom Sapphire Window Lids
| Share | |
|---|---|
| Categories | Custom Sapphire Optical Components |
| Brand | FELIX GLASS optical glass Manufacturing base |
| Model | FG- SOC-BLK-001 |
| Material | Synthetic Single-Crystal Sapphire (BK7/K9 optical glass available as secondary custom option) |
| Spectral Range | 150nm ~ 5.5μm (UV-Vis-Mid IR) |
| Mohs Hardness | 9.0 |
| Operating Temperature | -200℃ ~ 1600℃ |
| Surface Quality | 20/10, 10/5 Aerospace Grade |
| Dimensional Tolerance | ±0.01mm |
| Available Coating | UV/Visible/IR AR coating |
| Custom Options | Shape, size, mounting holes, edge treatment |
| FOB port | SHENGZHEN SHANGHAI GUANGZHOU |
| Terms of Payment | L/C, D/A, D/P, Western Union |
| Download |  |
Detail Information
Felix Glass Co., Limited manufactures aerospace grade sapphire optical covers and custom sapphire window lids fabricated from premium single-crystal sapphire. These high-performance protective optics shield sensitive optical sensors, cameras and precision instruments under extreme aerospace operating environments while preserving high light transmittance and consistent dimensional stability. Featuring Mohs 9 extreme hardness, superior thermal shock resistance and broad-spectrum transmission, our sapphire covers guarantee stable operation of critical optical systems under high temperature, pressure and cosmic radiation conditions. Standard optical glass lacks sufficient hardness, thermal stability and radiation tolerance required for space, high-altitude aircraft and defense optical equipment. Aerospace grade sapphire window lids deliver outstanding scratch and impact resistance, wide UV to mid-infrared transmission and low thermal expansion. The rigid sapphire barrier protects internal optical assemblies against particle erosion, rapid temperature fluctuation and long-duration space radiation without degrading imaging or sensing performance. Stable transmittance covering 150nm to 5.5μm, supporting multi-band UV, visible and mid-infrared aerospace optical detection systems. Shape, dimension, thickness, mounting holes, edge finishing and aerospace AR coating specifications can be finalized per customer engineering drawings before production. The core raw material is high-purity aerospace single-crystal sapphire. For projects with strict cost control without extreme abrasion requirements, fused silica optical windows can be selected as an alternative solution. We support wavelength-specific AR anti-reflection coatings and customized mechanical features including mounting holes, chamfered edges and sealing profiles. Orbital altitude, flight speed, spectrum band and environmental loads determine final outline geometry, thickness and coating scheme. Our aerospace sapphire optical covers deliver consistent protection for space-borne payloads, airborne platforms and ground defense optical detection equipment. Protective sapphire window lids for on-orbit observation payloads resisting long-term cosmic radiation and temperature cycling. Hard sapphire covers shield airborne cameras and targeting optics under high-altitude flight conditions and particle erosion. Reliable optical protection for military optical equipment and industrial optical instruments operating under extreme temperature and abrasion conditions. Check outline dimension, thickness, mounting hole layout, optical zone, tolerance and environmental working requirements. Select qualified single-crystal sapphire ingot and calculate machining allowance according to customer aerospace drawings. CNC contour cutting, hole machining and surface grinding to form custom flat or curved sapphire cover geometry. Ultra-precision surface polishing followed by vacuum deposition of wavelength-matched AR anti-reflection coatings. Full dimension, surface and optical testing; shockproof anti-scratch packaging for aerospace supply chain transit. We support small-batch prototype sampling and large-volume serial manufacturing of custom aerospace sapphire optical covers and window lids. To receive accurate formal quotation, please submit engineering drawing, order quantity, outline specification, coating requirements, dimensional tolerance, operating environment and aerospace acceptance testing standards. Prototype lead time and bulk delivery cycle depend on part shape complexity, customized hole features and aerospace coating testing requirements. Simple flat sapphire cover models complete feasibility evaluation rapidly; complex multi-feature aerospace components will arrange dedicated engineering communication to optimize design and control overall project cost. Optical surfaces face continuous abrasion, particle impact, repeated cleaning; priority is extreme surface hardness and long service lifetime in harsh aerospace environments. Application focuses on wide UV transmission, ultra-low thermal expansion and high-temperature resistance without demanding scratch-resistant performance. The optical system operates on fixed wavelength bands and requires minimized surface reflection to improve imaging and detection signal-to-noise ratio. Aerospace sapphire optical covers protect optical sensors, cameras and precision instruments on satellites, aircraft and defense systems, delivering scratch resistance, thermal stability and high transmittance under extreme harsh environments. Yes. We fully customize outline shape, dimension, thickness, mounting holes and edge finishing strictly according to your technical drawings and aerospace specifications. We provide wavelength-targeted AR coatings for UV, visible and infrared wavebands to maximize light transmittance matching your specific optical system design. All sapphire optical covers are manufactured and inspected following aerospace-grade requirements covering optical performance, dimensional accuracy and environmental stability testing. Yes. We offer prototype sampling, small-batch trial production and mass manufacturing to satisfy different verification and formal production phases of aerospace projects. Share your aerospace project background, sapphire optical cover engineering drawing, coating specifications and target order quantity. Felix Glass aerospace optical engineering team will evaluate manufacturability, optical performance and inspection requirements and issue official quotation for custom aerospace grade sapphire window lids.
Aerospace single crystal sapphire protective optical lids & covers
Aerospace Grade Sapphire Optical Covers | Custom Sapphire Window Lids
Direct answer
Aerospace Optical System Risks Solved By Sapphire Optical Covers
Broad Spectrum Optical Transmission
Drawing-Based Full Customization
Attention to specification
Material & Aerospace-Grade Technical Parameters For Engineering Review
Interest stage
Key Product Specifications For Aerospace Sapphire Optical Covers
Product type
Aerospace Grade Sapphire Optical Covers | Custom Sapphire Window Lids
Model reference
FG-SAPPHIRE-COVER-AERO01
Material
Aerospace Grade High-Purity Single-Crystal Sapphire
Spectral Transmission Range
150nm ~ 5.5μm (UV – Visible – Mid IR)
Mohs Hardness
9.0
Operating Temperature
-200℃ ~ 1600℃
Surface Quality
Aerospace Grade 20/10, 10/5 MIL STD
Dimensional Tolerance
±0.01mm
Coating Options
Wavelength-specific AR anti-reflection coating
Customizable Items
Shape, size, thickness, mounting holes, edge treatment
Quality Standard
Aerospace-grade optical performance & environmental stability inspection
Application match
Main Application Fields Of Aerospace Sapphire Optical Window Lids
Satellite & Space-Borne Optical Sensors
Aircraft & UAV EO/IR Imaging Systems
Defense & Harsh Environment Optical Instruments
Desire stage
Felix Glass RFQ & Production Workflow For Aerospace Sapphire Optical Covers
Aerospace Drawing Review
Sapphire Blank Cutting
CNC Precision Machining & Grinding
Optical Polishing & Vacuum Coating
Aerospace-Grade Inspection & Packing
Original capability retained
From Aerospace Prototype Sampling To Mass Sapphire Cover Orders
Decision support
Select Sapphire vs Fused Silica Window For Your Aerospace Project
Choose Sapphire Optical Covers When
Choose Fused Silica Windows When
Confirm AR Coating Requirements When
Related aerospace sapphire optical components
Internal Links For Sapphire Optical Product Cluster Comparison
Buyer FAQ
Frequently Asked Questions About Aerospace Grade Sapphire Optical Covers
What are aerospace grade sapphire optical covers used for?
Can you produce custom shapes and sizes for aerospace projects?
Can AR anti-reflection coating be supplied for sapphire covers?
What inspection standards apply to aerospace sapphire covers?
Do you support aerospace prototype and small batch orders?
Action stage
Submit Your Sapphire Cover Drawing For Aerospace Engineering Evaluation & Quotation
Need Custom Optical Glass Solution?
Send us your drawing, dimension & coating requirements for fast quotation within 24 hours.
Get Free RFQCustom Precision Optical & Glass Components Manufacturer – Felix Glass Co., Limited.
We supply Industrial Glass, Sapphire Optics, Optical Lenses/Prisms/Filters, Infrared IR Optics, Functional & Display Glass, N-BK7/H-K9L Optical Glass, supporting OEM mass production and laboratory custom prototypes. Flexible MOQ & free sample service available. Fill in the form to download full datasheets and get factory wholesale price within 24 hours.
CONTACT US NOW FOR A QUOTE
Send an inquiry now—we will respond promptly within 1–24 hours and provide our best formal quote within 1–2 days! Let’s start a mutually beneficial partnership today...
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Learn more from our FAQ
- What is your MOQ for custom optical glass and display glass parts?
Felix Glass offers highly flexible MOQ to support client projects, including prototype testing, small batch trial orders and large-volume mass production. All products can be fully customized according to your drawings, tolerances and application standards. Send us your specs to get an accurate price quote within 24 hours.
- Can I get free glass samples for testing before bulk order?
Yes, our FELIX GLASS factory supports sample testing for a wide range of precision optical glass components and assemblies. The lead time for sample production is 3 to 7 working days. Please contact us today to arrange samples and obtain a customized solution that meets your needs.
- What is the production lead time for custom optical glass components?
What is the production lead time for custom optical glass components?
Answer: The lead time for standard samples is 3–7 business days, while mass production takes 15–25 business days, depending on product complexity and order volume. We provide reliable, rapid delivery for orders serving the industrial, medical, automotive, and aerospace sectors. Please submit your project details to receive an accurate delivery schedule.
- Are your optical glass products ISO, CE and RoHS certified?
All FELIX GLASS precision optical glass components comply with ISO quality system standards, as well as CE and RoHS requirements. We provide comprehensive test reports, material certificates, and inspection documentation for customer review. Please feel free to request full certification details and a formal quotation today.
- Do you offer one-stop custom optical glass processing services?
Yes. We provide a full range of in-house processing services, including CNC machining, precision grinding, optical polishing, vacuum coating (AR, AF, AG, IR), tempering, and screen printing. Every step—from raw material to finished product—is carried out within our own facility. Please let us know your requirements, and we will provide you with the most cost-effective solution.
CONTACT US NOW FOR A QUOTE
Send an inquiry now—we will respond promptly within 1–24 hours and provide our best formal quote within 1–2 days! Let’s start a mutually beneficial partnership today...
- Name
- *Title
- *Content
