Dongguan Felix Glass Co., Ltd. E-mail: james@felixglass.com - Tel: +86 185 6503 2888
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Custom Quartz Glass Plate


High purity fused silica flat plates with full custom machining for semiconductor, UV optics & laboratory equipment


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Product Overview

Felix Glass is a professional custom quartz glass manufacturer & OEM quartz fabrication supplier, delivering semiconductor grade precision optical quartz components tailored to your CAD drawings. We produce custom fused silica plates from 99.99% SiO₂ raw material, in JGS1/JGS2/JGS3 grades, supporting deep UV–IR transmission, complex shapes, drilling, counterbore, chamfer and AR coating.
Our custom quartz plates feature ultra-low CTE (5.5×10⁻⁷/°C), high thermal shock resistance, excellent chemical inertness, and tight dimensional tolerances
We serve OEM equipment manufacturers, semiconductor integrators, optical labs and industrial projects worldwide, from prototype samples to mass production. All parts meet MIL optical standards and ISO 9001 quality control





Product Specifications 


ParameterSpecification
Material99.99% High‑Purity Fused Silica (JGS1/JGS2/JGS3)
Size Range5×5mm–800×800mm; round, square, oval, irregular custom shapes
Thickness0.1mm–50mm
Surface Quality60/40, 40/20, 20/10 MIL optical polish
Flatnessλ/2, λ/4, λ/10 @632.8nm
Coating OptionsUncoated, single/double‑sided AR coating, custom coatings
Transmission185nm–3500nm
Operating TemperatureUp to 1100°C continuous
CTE5.5×10⁻⁷ /°C
ToleranceDimensional ±0.05mm; thickness ±0.02mm
CustomizationCNC profiling, drilling, counterbore, chamfer, engraving, coating

Key Features 

✓ Fully Custom Shapes & Dimensions per Drawings 
✓ High UV–IR Transmission & Low Thermal Expansion 
✓ Precision CNC Machining & Drilling Services 
✓ Semiconductor‑Grade Ultra‑Pure Fused Silica
✓ ISO 9001 Inspection & MIL‑Spec Surface Quality 
✓ Low MOQ, Prototypes & Fast OEM Turnaround


Manufacturing Capabilities 

1. Full‑Axis CNC Machining for complex outlines & holes 
2. Precision Edge Grinding & Safety Chamfer Processing 
3. Single & Double Sided Ultra‑Fine Optical Polishing 
4. High‑Temperature Tempering & Stress Relief Treatment 
5. Magnetron Sputtering Multi‑Layer Optical Coating 
6. Complete Optical Performance Lab Inspection


  1. View Full Production Capacity



Available Material Grades 

1. JGS1 Deep UV Grade – for deep‑UV transmission 
2. JGS2 UV‑Vis Grade – balanced UV/visible performance 
3. JGS3 IR Grade – optimized for infrared applications 
4. 99.99% Standard Fused Silica – general industrial use 




Main Application Industries

1. Semiconductor Wafer Processing & Vacuum Chambers
2. UV Laser Systems & Optical Instrument Substrates 
3. Laboratory Spectroscopy & Analytical Equipment 
4. High‑Temperature Furnace & Oven Viewing Windows 
5. Aerospace & Defense Optical Components
6. Medical UV Diagnostic & Sterilization Devices 
7. Photovoltaic Testing & Optical Metrology 
8. Custom Industrial Optical Assemblies 


Custom Manufacturing Service 

1. Full OEM & ODM one‑stop optical glass customization 
2. Small prototype sample orders supported before mass production 
3. Ultra‑low MOQ for laboratory & R&D startup clients 
4. Free technical drawing evaluation & customized solution design 
5. Custom coating, printing, shaping and hole layout processing 

Why Choose Felix Glass 

1. 19+ years professional fused silica optical glass manufacturing experience 
2. ISO 9001 certified full factory quality control system 
3. Independent optical testing laboratory for all performance indicators 
4. Stable export supply chain serving global industrial customers 
5. Standardized production line to guarantee consistent fast delivery 

Frequently Asked Questions

1. Q: What is the MOQ for custom quartz plates?
A: Ultra‑low MOQ; single prototype samples available for R&D testing .

2. Q: Can you manufacture according to customer CAD drawings?
A: Yes, engineers accept 2D/3D CAD files, provide free review & quotation within 24h .

3. Q: What custom shapes can you produce?
A: Square, round, oval, racetrack, irregular profiles, drilled/counterbored holes .

4. Q: Which quartz grades are available for custom orders?
A: JGS1 (deep UV), JGS2 (UV‑Vis), JGS3 (IR), standard fused silica .

5. Q: Can you apply anti‑reflection coating on custom plates?
A: Yes, single/double‑sided AR coating, transmittance >97% .

6. Q: What is the maximum size you can process?
A: Up to 800×800mm; larger sizes by consultation.

7. Q: What is the typical lead time?
A: Samples 3–7 working days; mass orders 10–18 days .

8. Q: Are custom quartz plates suitable for vacuum use?
A: Low outgassing, ideal for semiconductor vacuum environments .

9. Q: What flatness grades are offered?
A: λ/2, λ/4, λ/10 @632.8nm per requirement .

10. Q: Is custom engraving or silk‑printing available?
A: Yes, part numbers, logos and marks can be added .

Get Custom Quartz Glass Plate Quotation

Upload technical drawings | Professional engineering support | 24-hour quick response 

Request A Quote Now




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James Fu, Sales Director of FELIX OPTICAL GLASS, and a poster displaying contact information for an optical glass deep-processing factory.James Fu, Sales Director of FELIX OPTICAL GLASS, and a poster displaying contact information for an optical glass deep-processing factory. 2
Learn more from our FAQ
What is the minimum order quantity for custom precision optical glass components?

FELIX OPTICAL GLASS offers highly flexible MOQs to support customer projects, including prototype testing, small-batch trial orders, and high-volume production. All products can be fully customized to your drawings, tolerances, and application standards. Please send us your specifications, and we will reply within 1-5 hours and provide an accurate quotation after careful evaluation within 1-2 days.

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?

A: The production cycle for standard samples is 3-10 working days, while mass production requires 15-35 working days, depending on the complexity of the product and the order quantity. We provide reliable precision optical glass components and fast delivery services for orders from industries such as defense, industrial equipment, medical devices, shipbuilding, robotics, automotive, and aerospace. Please submit your project details so we can provide you with an accurate delivery schedule.

Are your optical glass products ISO, CE and RoHS certified?

All precision optical glass components from FELIX OPTICAL GLASS comply with ISO quality system standards as well as CE and RoHS requirements. We provide comprehensive test reports, spectral graphs, material certificates, and inspection documents for customer review. Please feel free to request complete certification details and a formal quotation at any time.

Do you offer one-stop custom optical glass processing services?

Yes. We offer a full range of precision optical glass component processing services, including CNC machining, precision grinding, optical polishing, chemical/physical tempering, vacuum coating (AR anti-reflective coating, AF anti-fingerprint coating, AG anti-glare coating, IR infrared coating), and screen printing. From raw materials to finished products, every step is completed in our own factory. Please tell us your needs, and we will provide you with the most cost-effective solution.

CONTACT US NOW FOR A QUOTE
We will respond promptly within 1 to 5 hours and provide an optimal, formal quotation within 1 to 2 days. Partnering with us is the smartest choice—start a mutually beneficial partnership today!
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With 19 years of experience as a precision optical glass expert, we provide comprehensive and satisfactory customized solutions.

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