Precision Quartz Plates, Discs & Substrates

Aoxin Quartz is a leading manufacturer of high-quality quartz plates, discs, windows, and substrates. We offer fused quartz and fused silica materials known for their exceptional purity, thermal resistance, and optical clarity across a wide spectrum (UV, Visible, IR). Our precision manufacturing capabilities ensure excellent flatness, parallelism, and surface quality, making our products ideal for optics, semiconductor, industrial, and scientific applications. Both standard and custom sizes/shapes are available.

quartz plate
Several clear circular quartz sight glass rings and discs displayed together.

Excellent Optical Transmission

High transparency from deep UV through IR spectrum (grade dependent)

Superior Surface Quality

Available with high-quality polishing for optical applications (low scatter, high flatness)

High Purity Levels

Ensures minimal contamination in sensitive processes

Outstanding Thermal Properties

Low thermal expansion, excellent thermal shock resistance, high-temperature stability

Our Quartz Glass Products

We manufacture a wide range of quartz glass products available in various grades and dimensions, or fully customized to your specifications.

Comparing Quartz Glass Sheets by Manufacturing Methods

Rough Cast Quartz Plates

Rough Cast Quartz Plates

Wide thickness tolerance;Surface with slight striations;Light transmittance: 70-80%;Outer dimension tolerance: ±0.01 to ±0.1 mm.

 Frosted Quartz Sheets

Frosted Quartz Sheets

Thickness tolerance: ±0.01 to ±0.1 mm;Outer dimension tolerance: ±0.01 to ±0.1 mm;Surface Roughness: Fine Grind / Coarse Grind.

Cold Polished Quartz Plates

Cold Polished Quartz Plates

Thickness tolerance varies with size: ±0.01 to ±0.5 mm;Outer dimension tolerance: 0.01 mm;Light transmittance: ≥94%.

Processing Methods for Achieving Transparency in Quartz Sheets

Cold Polishing after Precision Machining

Cold Polishing after Precision Machining

Outer dimension tolerance: ±0.01 mm
Light transmittance after cold polishing: ≥94% (High Transmittance)

Fire Polishing after Precision Machining

Outer dimension tolerance: ±0.01 mm, dependent on polishing intensity and initial roughness; surface exhibits a granular texture/finish.

Common Applications

Our quartz plates and discs serve critical functions in diverse fields

Semiconductor Manufacturing

Process chamber windows, Masks, Substrates, Wafer carriers (parts)

Industrial Processes

Sight glasses, Furnace windows, Heat shields, Chemical resistant linings.

Optics & Photonics

Windows, Lenses (blanks), Filters, Substrates, Mirrors (blanks), Beam Splitters, Debris Shields

Lighting

UV lamp covers, Protective windows

Scientific Research

Viewports, Sample holders, Specialized optical components

Medical & Biotechnology

Slides, Cuvettes (components), Microfluidic device components.

AoXIN QUARTZ

Custom Quartz Plate & Disc Solutions

Aoxin Quartz specializes in manufacturing custom quartz plates, discs, and substrates tailored to your unique requirements. We can accommodate custom shapes, precise dimensions, tight tolerances (including flatness, parallelism, and surface finish), specific edge profiles, drill holes, slots, and apply coatings . Provide us with your drawings or specifications, and our engineering team will work with you to produce the ideal component.

Related Services

We offer a range of fabrication services to complement our quartz plates and discs: Precision Cutting & Dicing, Grinding & Lapping, Polishing (Commercial & Optical), Drilling & Machining, Coating Services , Edge Finishing.

Frequently Asked Questions

Find answers to commonly asked questions about our products and services.

Contact Us

Address

No.39 Shixian West Road, Huifeng Township, Donghai County,Lianyungang,Jiangsu, China

Send Us a Message

Here\’s how you can contact us for any questions or concerns.

+8618961320658
08.00am – 06.00pm
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