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Leading GaN & SiC Epi Wafer Manufacturer

Premium 4", 6", and 8" AlGaN/GaN on Si and GaN on SiC epitaxial wafers for high-frequency RF, power HEMT, and next-generation semiconductor applications. Trusted by global innovators since 2009.

GaN Epi Wafer Production
HMT Facility

About Homray Material Technology (HMT)

Established in 2009, Homray Material Technology (HMT) is a globally recognized leader in the development and manufacturing of wide-bandgap semiconductor materials, specializing in Gallium Nitride (GaN) and Silicon Carbide (SiC) wafers.

As a top-tier GaN epi wafer manufacturer, HMT delivers high-quality AlGaN/GaN on Si, GaN on SiC, and GaN on Sapphire epitaxial wafers. Our products are engineered for RF, power electronics, and optoelectronic applications, with optimized performance including extremely low buffer leakage and minimal trap density.

With a global footprint across Europe, the USA, Southeast Asia, and South America, HMT achieved over $65 million in sales in 2020. Our commitment to excellence, backed by ISO and CE certifications, ensures reliability and performance for next-generation semiconductor devices.

ISO Certified CE Certified CMOS-Compatible Low Buffer Traps

Our Product Range

High-performance GaN and SiC epitaxial wafers engineered for RF, power, and HEMT applications. Available in 4", 6", and 8" diameters with customizable technical parameters.

4-Inch GaN Epi Wafer

4-Inch GaN Epi Wafer

AlGaN/GaN on Si and pGaN on Si epitaxy for next-gen power and RF electronics.

  • 100–200mm diameter
  • Low defect density
  • High 2DEG mobility
pGaN on Si Epi Wafer

pGaN on Si Epi Wafer

E-Mode Power HEMT structure for high-efficiency switching.

  • 4", 6", 8" options
  • Normally-off operation
  • CMOS-compatible process
RF Device GaN on SiC

GaN on SiC for RF

4" and 6" AlGaN/GaN on SiC epi wafers for high-frequency RF devices.

  • Superior thermal conductivity
  • High power density
  • Ideal for 5G & radar
D-HEMT GaN Epi Wafer

D-HEMT GaN Epi Wafer

With SiN or GaN cap layer for enhanced device stability.

  • Depletion-mode HEMT
  • SiN passivation option
  • High electron mobility

GaN on SiC for Power HEMT

High-voltage power devices with excellent thermal management.

  • 4" and 6" wafers
  • High breakdown voltage
  • Low on-resistance

E-mode GaN on Si Epi Wafer

Normally-on devices with high efficiency and fast switching.

  • Enhanced mode operation
  • Low gate leakage
  • High reliability

AlGaN/GaN on SiC RF HEMT

Optimized for microwave and millimeter-wave applications.

  • High gain & efficiency
  • Low noise figure
  • 5G & satellite comms

GaN Substrate Wafer

Free-standing GaN substrates in 2", 4", and square formats.

  • High crystalline quality
  • Low dislocation density
  • Customizable doping

Why Choose Ganepi-HMT?

Engineered for performance, reliability, and scalability in next-gen semiconductor applications.

High Performance

Optimized 2DEG mobility, low buffer leakage, and high breakdown voltage for superior device efficiency.

Certified Quality

ISO and CE certified manufacturing processes ensuring consistent quality and reliability.

Global Reach

Serving partners in Europe, USA, Southeast Asia, and South America with fast delivery.

Scalable Production

CMOS-compatible processes enable mass production and cost-effective scaling.

2009
Founded
65M+
Annual Sales (2020)
4", 6", 8"
Wafer Sizes
100–200mm
Diameter Range

Frequently Asked Questions

What substrates do you offer for GaN epi wafers?

We offer GaN epitaxial wafers on Silicon (Si), Silicon Carbide (SiC), and Sapphire substrates, each optimized for specific RF or power applications.

Do you provide custom specifications?

Yes, we support customization of doping levels, thickness, and device structures for AlGaN/GaN and pGaN HEMT wafers based on customer requirements.

What are the advantages of GaN on SiC for RF?

GaN on SiC offers superior thermal conductivity, higher power density, and better reliability for high-frequency RF applications like 5G and radar systems.

Are your wafers CMOS-compatible?

Yes, our GaN-on-Si technology is designed to be compatible with CMOS fabrication processes, enabling cost-effective mass production.

Get in Touch

For inquiries, quotes, or technical support, visit our official website to connect with our team.

Visit Official Website to Contact

Tel: 15366208370

Email: kim@homray-material.com

LiSheng Industrial Building, 60SuLi Road, WuZhong District, JiangSu Province, P.R.China

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