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Premium GaN & SiC Epitaxial Wafers from China

ISO-certified manufacturer of high-purity gallium nitride (GaN), silicon carbide (SiC), and compound semiconductor materials for RF, power electronics, optoelectronics, and advanced research applications.

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65+
GaN Wafer Models
39+
SiC Wafer Types
15+
Global Markets

Trusted Semiconductor Material Manufacturer

Shanghai GaNova Electronic Information Co., Ltd. is a leading Chinese manufacturer specializing in high-quality GaN epitaxial wafers, SiC epitaxial wafers, and related semiconductor substrates. With state-of-the-art MOCVD and HVPE growth technologies, we deliver materials that meet the stringent requirements of RF devices, power electronics, laser diodes, and high-frequency applications.

Our facility adheres to strict quality control protocols and offers customization for research institutions, foundries, and industrial clients worldwide. From 2-inch to 6-inch wafers, we support multiple crystal orientations, doping levels, and thickness specifications.

  • ISO-Certified Production Facility
  • Custom Wafer Specifications Available
  • Global Shipping & Technical Support
GaN Wafer Production

Our Premium Products

Explore our comprehensive range of epitaxial wafers, substrates, and semiconductor materials engineered for performance and reliability.

GaN Epitaxial Wafer

2" GaN Epitaxial Wafer

C Face, Fe-Doped, SI Type, Free-Standing

  • Resistivity: >10⁶ Ω·cm
  • Thickness: 350 ±25µm
  • BoW: -10µm ≤ BOW ≤ 10µm
  • Application: RF Devices
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SiC Epitaxial Wafer

6" SiC Epitaxial Wafer

4H Crystal Form, P-MOS Grade

  • Diameter: 150.0mm +0/-0.2mm
  • Off-Axis: 4° toward <11-20>±0.5°
  • Primary Flat: 47.5mm ±1.5mm
  • Polytype: 4H
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GaAs Epi Wafer

2" GaAs Epi Wafer

Undoped Substrates, VGF Grown

  • Conductivity: S-C-N
  • High Electron Mobility
  • Doping: 0.4E18 to 1E18
  • Application: Optoelectronics
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CVD Diamond Substrate

CVD Diamond Substrate

Electronic Grade, N Content <100ppb

  • XRD: <0.015º
  • Thermal Conductivity: High
  • Sizes: 3x3mm², 10x10mm²
  • Application: Heat Sink
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AlN Wafer

1" AlN Wafer

Single Crystal, 400–450µm Thickness

  • Crystal Form: 2H
  • Polishing: Chemical or Mechanical
  • Grades: S/P/R
  • Application: Substrate for GaN Growth
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Gallium Nitride Wafer

Gallium Nitride Wafer

C Plane (0001), Off-Angle Toward M-Axis

  • Dimensions: 10x10.5mm²
  • Thickness: 350 ±25µm
  • Off-Angle: 0.35 ±0.15°
  • Free-Standing, SI Type
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Laser Diode Chip

915nm Laser Diode Chip

10W COS, On Submount Design

  • Threshold Current: 0.5A
  • Slope Efficiency: 1.0W/A
  • Emitter Size: 94µm
  • Application: Printing, Sensing
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Silicon Carbide Crystal

4" SiC Seed Crystal

S Grade, P-Type, Si Face

  • Diameter: 100.0mm
  • Primary Flat: 32.5mm ±1.5mm
  • Polytype: 4H
  • Application: Substrate Growth
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Why Choose Epi-Wafers?

Engineered for performance, reliability, and innovation.

99.999%

Material Purity

Ultra-high purity GaN, SiC, and compound semiconductors with low defect density.

2–6"

Wafer Sizes

Support for 2", 4", and 6" diameter wafers with precise dimensional control.

150+

Custom Projects

Tailored epitaxial growth and substrate engineering for R&D and production.

24h

Response Time

Fast technical support and quotation turnaround for urgent requirements.

Global Impact & Reach

65+
GaN Models
39+
SiC Types
15+
Countries
200+
Clients

Frequently Asked Questions

What is the difference between GaN-on-Sapphire and free-standing GaN?

Free-standing GaN substrates are grown without a foreign substrate, offering superior crystal quality, lower defect density, and better thermal conductivity compared to GaN-on-sapphire, which is typically used for LEDs but has lattice mismatch issues.

Do you offer custom doping or thickness specifications?

Yes, we support custom doping (Fe, Si, Mg, etc.), thickness (from 100µm to 500µm), and orientation (C-plane, M-plane, SP-face) based on client requirements. Contact us for engineering support.

What certifications do your products have?

Our manufacturing facility follows ISO quality standards. Material certifications including XRD rocking curve data, SIMS analysis, and resistivity reports are available upon request.

How do I request a quote or technical consultation?

Visit epi-wafers.com to submit your inquiry. Include your required specifications, quantity, and application for a fast and accurate response.

Get in Touch

For product inquiries, technical support, or custom solutions, visit our official website to contact the team directly.

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