Our 6 Inch Sapphire Wafers are manufactured from high-quality single-crystal aluminum oxide (Al₂O₃) and are designed for semiconductor, optoelectronic, optical and precision engineering applications.

With excellent mechanical strength, chemical stability, thermal resistance and optical performance, sapphire wafers are widely used as substrates for LED, GaN epitaxy, RF devices, optical components, sensors and advanced research applications.

We provide 150 mm / 6 inch sapphire wafers with customized crystal orientation, thickness, surface finish, flatness, edge treatment and polishing specifications.

Both SSP (Single Side Polished) and DSP (Double Side Polished) wafers are availabe.

Main Specifications

Available Crystal Orientations

Different sapphire crystal orientations can be supplied depending on the customer's application.

C-Plane Sapphire Wafer

C-plane sapphire is one of the most commonly used sapphire substrate orientations and is widely applied in:

• GaN epitaxy

• LED manufacturing

• Semiconductor research

• Thin-film deposition

• Optical applications

A-Plane Sapphire Wafer

A-plane sapphire can be used for specialized epitaxial growth, optical components and research applications.

R-Plane Sapphire Wafer

R-plane sapphire is commonly selected for applications requiring specific crystal orientation, optical performance or epitaxial characteristics.

Custom crystal orientations can also be evaluated according to customer requirements.

SSP & DSP Sapphire Wafers

We offer both single-side polished and double-side polished sapphire wafers.

SSP – Single Side Polished

One surface is precision polished while the opposite surface remains ground or fine finished.

Suitable for:

• Epitaxial growth

• Semiconductor processing

• Coating

• General substrate applications

DSP – Double Side Polished

Both surfaces are precision polished to provide high transparency and excellent surface quality.

Suitable for:

• Optical applications

• Transparent substrates

• Wafer bonding

• MEMS

• Precision inspection

• Advanced research

Key Features

• High mechanical strength

• High hardness and wear resistance

• Excellent chemical stability

• High temperature resistance

• Good dielectric properties

• Excellent optical transparency

• High-quality polished surface

• Stable crystal structure

• Suitable for semiconductor processing

• Available in custom thickness and orientation

• SSP and DSP options available

• Small quantity samples and batch production supported

Applications

6-inch sapphire wafers are widely used in:

Semiconductor Industry

• GaN epitaxy

• LED substrate

• Semiconductor wafer processing

• Compound semiconductor devices

• RF devices

• Power electronics research

Optical Industry

• Optical windows

• Infrared optical components

• Laser systems

• High-temperature optical systems

• Transparent protective components

Advanced Research

• Thin-film deposition

• PVD / CVD processes

• Wafer bonding

• MEMS

• Sensor development

• Material science research

• University laboratory applications

Custom Sapphire Wafer Manufacturing

We can manufacture sapphire wafers according to specific technical requirements.

Custom options include:

• Wafer diameter

• Wafer thickness

• Crystal orientation

• SSP or DSP

• Surface roughness

• TTV

• Bow

• Warp

• Flatness

• Edge profile

• Chamfer

• Flat or notch

• Surface quality

• Cleaning and packaging

Customers can send us their drawings, datasheets or target specifications for evaluation.

Surface Quality & Inspection

Sapphire wafer quality can be inspected according to customer requirements, including:

• Diameter

• Thickness

• Thickness tolerance

• TTV

• Bow

• Warp

• Surface roughness

• Crystal orientation

• Edge quality

• Surface scratches

• Chips

• Cracks

• Contamination

• Optical appearance

For semiconductor and precision applications, customized inspection standards can be discussed before production.

Packaging

Sapphire wafers can be individually separated and packed in suitable wafer carriers or cassettes to reduce surface contact and transportation damage.

Available packaging options include:

• Wafer cassette

• Wafer carrier

• Individual protective packaging

• Clean PE packaging

• Vacuum packaging

• Customized export packaging

The wafer carrier shown in the product images is primarily used for safe storage, handling and transportation of sapphire wafers.

Why Choose Us

We support sapphire wafer projects from prototype development to volume production.

Our services include:

• Custom sapphire wafer manufacturing

• Precision crystal orientation

• Grinding and lapping

• SSP polishing

• DSP polishing

• Edge processing

• Dimensional inspection

• Surface quality inspection

• Custom packaging

• Small-batch sampling

• Mass-production supply

For special wafer requirements, please provide your required diameter, thickness, orientation, polishing type, TTV, Bow, Warp and surface roughness for quotation.

Request a Quote

For a fast quotation, please provide:

1. Wafer diameter

2. Thickness

3. Crystal orientation

4. SSP or DSP

5. Surface roughness requirement

6. TTV / Bow / Warp requirement

7. Flat or notch requirement

8. Quantity

9. Application

We can evaluate both standard and fully customized sapphire wafer specifications.

Related Product

4-Inch Sapphire Wafer | High-Quality Al₂O₃ Substrate for Semiconductor and Optical Applications