GaN Wafer

We provide GaN wafer products.

  • Accepts small orders
  • Notable for use in power LSI, high-brightness LEDs, and lasers
  • High quality (few crystal defects)
  • Low price (compared to other companies)

We also handle 1 to 2-inch GaN substrates.

GaN Substrate

Item Specification
Diameter 51.0 mm ± 0.3 mm 100.2 mm±0.3 mm
Thickness 490 µm ± 30 µm 540 µm ± 30 µm
Plane Orientation (0001) Ga-Face c-plane
TTV (5 mm edge exclusion) ≤15 µm ≤30 µm
Warp (5 mm edge exclusion) ≤20 µm ≤80 µm
Bow (5 mm edge exclusion) -10 µm to +5 µm -40 µm to +20 µm
Electrical Characteristics Type Resistivity
N-type (Si) ≤0.02 Ω·cm
UID ≤0.2 Ω·cm
Semi-Insulating (Carbon) >1E8 Ω·cm
Grade Density (pits/cm2) 2" (pits) 4" (pits)
Production ≤0.5 ≤10 ≤40
Research ≤1.5 ≤30 ≤120
Dummy ≤2.5 ≤50 ≤200

GaN Substrate (Square)

Item Specification
Size (10 ± 0.5) × (15 ± 0.5) mm2
Customized Size
Thickness 400 ± 25 µm
Plane Orientation C-plane (0001) off-angle toward M-axis
0.35 ± 0.15° or 0.55 ± 0.15°
TTV ≤10 µm
BOW ≤10 μm
Type UID N-type (Si) Semi-Insulating (Carbon)
Ga face surface roughness <0.3 nm (10 × 10 μm)
N face surface roughness Etched (0.5–1.5 µm); Polished (<0.3 nm)
Dislocation Density <1 × 106 cm-2
(002) FWHM ≤70 arcsec
(102) FWHM ≤70 arcsec
Macro defect density(hole) <0.3 cm-2
Effective Area >90%

GaN Template (φ2 inch)

Item Specification
Diameter φ50.8 mm ± 0.1 mm
GaN Film Thickness 4 µm, 10–25 µm
Oriented Plane C-plane (0001) ± 0.5°
Type UID N-type (Si)
Orifura Orientation. Length Orifura orientation (1-100). Orifura length 30 mm ± 1 mm
Electrical Resistivity (300 K) <0.5 Ω·cm <0.05 Ω·cm
Dislocation Density 5 × 108 cm2
Substrate Structure GaN/Sapphire Wafer (0001) Surface
Effective Area More than 90%
Surface Finish Ga side: CMP finish. N side: Fine grinding (Option: Optical mirror finish)

GaN Template (φ4 Inches)

Item Specification
Diameter φ100 mm ± 0.1 mm
GaN Film Thickness 4 µm, 10–25 µm
Oriented Plane C-plane (0001) ± 0.5°
Conductivity Type N-type (Undoped)
Orifura Orientation. Length Orifura orientation (1–100). Orifura length 30 mm ± 1 mm
Electrical Resistivity (300 K) <0.5 Ω·cm
Dislocation Density 5 × 108 cm2
Substrate Structure GaN/Sapphire Wafer (0001) Surface
Effective Area More than 90%
Surface Finish Ga side: CMP finish. N side: Fine grinding (Option: Optical mirror finish)

Power Using GaN-on-Si Epitaxial Wafer

Items Values/Scope
Wafer Diameter 100mm, 150mm, 200mm, 300mm
Substrate Si
Epi-layer Thickness 2 ~ 7 μm
EWafer Bow <30 μm, Typical
Surface Morphology RMS < 0.5 nm (5 × 5 μm2)
Barrier AlXGa1-XN (0 < x < 1)
Cap Layer In-situ SiN or GaN (D-mode); p-GaN (E-mode)
2DEG Density >9E12/cm2 (20nm Al0.25GaN, 150mm)
Electron Mobility >1800 cm2/Vs (20nm Al0.25GaN, 150mm)
Features
  • Excellent device performance enabled by high electron mobility and high 2DEG density
  • Low bow for superior process compatibility
  • Support for large diameters (up to 300 mm) for improved mass production capability
  • Compatible with both D-mode and E-mode structures

200mm GaN-on-Si Epiwafer

Defect Mapping
Vertical Breakdown Behavior
Sheet Resistance Mapping
Wafer Bow Mapping

GaN Epitaxial Wafer for Micro LED

Items GaN-on-Si GaN-on-Sapphire
100mm, 150mm,200mm, 300mm 50.8mm, 100mm, 150mm
Epi-layer Thickness <4 μm <7 μm
Average Dominant/Peak Wavelength 400–420 nm (near UV) 270–280 nm (UVC)
440–460 nm (Blue) 440–460 nm (Blue)
510–530 nm (Green) 510–530 nm (Green)
- 620–640 nm (Red)
FWHM <25nm for Blue/Near-UV
<45nm for Green
<15nm for UVC
<25nm for Blue
<40nm for Green
Wafer Bow <50 μm <180 μm
Features
  • Supports a wide wavelength range from UVC to visible light (red)
  • Compatible with large-diameter GaN-on-Si wafers (up to 300 mm)
  • Excellent luminescence characteristics achieved through high-quality epitaxial growth
  • High uniformity and high-precision epitaxial structure suitable for Micro LED applications

200mm GaN-on-Si Epiwafer for Micro-LED

DDominant Wavelength
Avg: ~450 nm, Std<2 nm
TDD: <1e9 cm-2
Defect Inspection

GaN-on-GaN Epitaxial Wafer

Epitaxial Wafer for RF Applications

The size, epitaxial structure, film thickness, etc., can be customized according to your requirements.
Detailed specifications can be optimized based on your requests.