Substrate, Epi-Layer, Optical Products

About Xinkehui

Shanghai Xinkehui New Material Co., Ltd. is one of the largest optical and semiconductor suppliers in China, founded in 2002. XKH was developed to provide academic researchers with wafers and other semiconductor-related scientific materials and services.

Semiconductor materials are our main core business. Our team is technically based, and since its establishment, XKH has been deeply involved in the research and development of advanced electronic materials, especially in the field of various wafers and substrates.

20+

Years of Experience

Global

Export Reach

Our Products

High-purity substrates, optical components, and semiconductor materials engineered for performance, durability, and precision.

Sapphire Wafer

Single crystal Al₂O₃ with high hardness and optical clarity. Resistant to high temperature, thermal shock, and scratching.

• C-Plane, A-Plane, M-Plane
• 2", 3", 4", 6", 8" diameters
• Thickness: 0.43mm to 1.0mm
• SSP/DSP polished surfaces

Sapphire Tube & Rod

Custom-shaped sapphire tubes and rods for high-temperature and optical applications.

• Diameter: up to 300mm
• Custom lengths and shapes
• High optical transmission
• UV to mid-IR transparency

SiC Wafer

4H-N type silicon carbide wafers for high-power, high-frequency, and high-temperature devices.

• 3", 4", 6", 8" (200mm)
• Thickness: 350µm to 500µm
• Prime, production, dummy grades
• N-type and P-type doping

Sapphire Window

Optical windows made from single-crystal sapphire, transparent in visible and UV spectrum.

• Diameter: 50.8mm, 100mm, custom
• High scratch resistance
• Hermetic sealing capability
• Aerospace & defense grade

AlN Template

Aluminum Nitride templates on NPSS/FSS for GaN epitaxy and optoelectronic devices.

• 50.8mm / 100mm diameter
• Low dislocation density
• High thermal conductivity
• For LED and RF applications

Epitaxial Layer

High-quality epi-layers grown on sapphire, SiC, and other substrates for semiconductor devices.

• GaN, AlGaN, InGaN options
• Precise thickness control
• Low defect density
• Custom doping profiles

Custom Sapphire Components

Precision-machined sapphire parts including lenses, nozzles, and custom-shaped windows.

• CNC grinding & polishing
• Complex geometries
• High optical finish
• OEM/ODM supported

12" SiC Substrate

Large-diameter 300mm silicon carbide substrate for next-gen power electronics and thermal management.

• 300mm diameter (12 inch)
• 4H-N type crystal
• Prime grade quality
• High thermal conductivity

View All Products

Why Choose XKH Semitech?

High Purity

Materials with 99.999% purity and low defect density for reliable semiconductor performance.

Fast Innovation

Rapid development of new materials and processes to meet evolving industry demands.

Custom Solutions

Tailored substrates, shapes, and specifications to meet your unique R&D or production needs.

Global Support

Reliable logistics and technical support for customers worldwide.

Frequently Asked Questions

What is the largest sapphire wafer size you offer?

We offer sapphire wafers up to 8 inches (200mm) in diameter, with custom sizes available upon request.

Do you provide SiC wafers for power electronics?

Yes, we supply 4H-N type SiC wafers in 3", 4", 6", and 8" formats, optimized for high-power and high-frequency devices.

Can you manufacture custom-shaped sapphire components?

Absolutely. We specialize in CNC machining and polishing of custom sapphire parts including windows, tubes, lenses, and complex geometries.

What certifications do your materials meet?

Our materials are manufactured under strict quality control with low TTV, high purity, and consistent crystal orientation to meet semiconductor industry standards.

Do you offer epitaxial growth services?

Yes, we provide epitaxial layer deposition on sapphire, SiC, and other substrates for GaN, AlGaN, and related compound semiconductors.

Get in Touch

For inquiries about our products or pricing, please visit our official website to contact our team.

Visit Official Website

Shanghai Xinkehui New Material Co., Ltd.

Rm1-1805, No.851, Dianshanhu Road; Qingpu Area; Shanghai City, China // 201799

Phone: +86 158 0194 2596 | +86 187 0175 6522

Email: eric@xkh-semitech.com | doris@xkh-semitech.com

China Quality Suppliers fobcompany.info

Notice for Buyers: If you are a buyer, the above information is generated by AI collection and does not constitute any advice. If necessary, please visit the corresponding official website.

For Domain Owners: If you are the domain owner and do not want to be included by fobcompany.info, please contact support@fobcompany.info via your corporate email to cancel. We will cancel your inclusion within 3 business days.

如果您是域名所有者不想被fobcompany.info收录请用企业邮箱联系support@fobcompany.info 取消收录我们将在3个工作日取消您的收录

Service Request: If you are other domain and want to be included, please contact support@fobcompany.info

如果您是其他域名合作也请联系support@fobcompany.info