Core Pain Points We Solve
Ordinary optical glass is vulnerable to seawater corrosion and cannot work stably in deep sea environment
Conventional viewports crack easily under ultra-high deep-sea water pressure
Marine suspended particles cause continuous scratch damage to camera protective windows
Common materials cannot maintain stable optical performance under long-term salt fog erosion
Product Key Advantages
Inert To Saltwater
Outstanding corrosion resistance against marine salt fog & seawater
High Compressive Strength
Withstand extreme deep-sea working pressure
Mohs 9 Hardness
Anti-scratch against underwater sediment and particles
Optional Broadband AR Coating
Reduce light reflection for underwater imaging
Precision CNC Shaping Support
Flange matching contour processing, sealing edge precision machining
Wide Ocean Temperature Adaptability
Stable optical performance under wide ocean temperature range
Engineering Specification Table
| Item | Specification |
|---|---|
| Base Material | Single crystal optical sapphire |
| Hardness | Mohs Grade 9 |
| Pressure Resistance | Customized according to target deep-sea depth |
| Surface Coating | Optional broadband AR anti-reflection coating |
| Feature | Saltwater corrosion inert, scratch-proof |
| Application | Deep sea ROV, AUV, underwater inspection detection camera |
In-House Manufacturing Capability
All processing procedures are completed in our Class 100 dust-free workshop: Sapphire blank slicing, double-sided ultra-precision polishing, CNC contour machining, vacuum optical coating, precision edge sealing processing, ultrasonic cleaning and comprehensive optical & dimensional inspection. No outsourced processing, consistent quality for marine engineering projects.
CNC Precision Contour Machining
Double-Sided Ultra-Precision Polishing
Our optical engineering team provides full technical support:
✓ Coating wavelength customized development
✓ Structural optimization design suggestion
✓ Working condition pressure & temperature simulation consultation
✓ Prototype verification & DFM manufacturability optimization
✓ After-sales technical support for system integration
Every optical component gets 100% optical inspection before delivery.
Why Choose Felix Glass
19+ Years of Experience
Custom sapphire optical component manufacturing experience
Marine Project Experience
Rich engineering experience for subsea optical viewport projects
Prototype & Mass OEM
Support prototype testing sample order and mass OEM production
Strict Pre-Shipment Testing
Strict dimensional & optical testing before delivery
Flexible Customization
Custom outline size, thickness and optical coating
Frequently Asked Questions
Q1: Can you produce sapphire viewports matching our flange installation drawings?
A: Yes, we fully customize dimension, shape and edge structure according to customer technical drawings.
Q2: What is the sample lead time?
A: Sample production cycle: 8~14 working days.
Q3: Does sapphire material resist long-term seawater immersion?
A: Single crystal sapphire is chemically inert, resistant to seawater and saltwater corrosion, ideal for long-term subsea deployment.
Get Your Custom Quotation
Submit your depth requirement, drawing files and optical demands via the RFQ form below. Our optical engineer will send detailed specifications and quotation within 24 hours.