GaN Wafer

We provide GaN Wafer products.

  • Accepting small quantity orders.
  • Noteworthy for use in Power LSI, high-brightness LEDs, and lasers.
  • High quality (few crystal defects).
  • Competitively priced (compared to other companies).

Highlighted for use in Power LSI, high-brightness LEDs, and high-performance lasers.

GaN Substrate

Items Specifications
Diameter 51.0 mm ± 0.3 mm 100.2 mm ± 0.3 mm
Thickness 490 um ± 30 um 540 um ± 30 um
Surface Orientation (0001) Ga-face c-plane
TTV (5 mm edge exclusion) ≤ 15 um ≤ 30 um
Warp (5 mm edge exclusion) ≤ 20 um ≤ 80 um
Bow (5 mm edge exclusion) -10 um to + 5 um -40 um to +20 um
Electrical characteristics Type Resistivity
N-type (Silicon) ≤ 0.02 ohm-cm
UID ≤ 0.2 ohm-cm
Semi-Insulating (Carbon) > 1E8 ohm-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
Surface Orientation Cplane (0001)off angle toward M-axis
0.35±0.15°or 0.55±0.15°
TTV ≤ 10 μm
BOW ≤ 10 μm
Conductive Type N-type
(Un-doped)
N-type
(Silicon-doped)
Semi-Insulating
(Carbon-doped)
Ga face surface roughness < 0.3 nm(10×10μm)
N face surface roughness Etched(0.5~1.5μm);Polished(<0.3nm)
Dislocation Density < 1×106cm-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 φ50.8mm ± 0.1mm
GaN Film Thickness 4um. 10-25um
Orientation Plane C-plane (0001) face ± 0.5°
Conductivity Type N-type (Undoped) N-type (Si-doped)
Orientation. Length Orientation (1-100). Orientation length 16 ± 1mm
Electrical resistivity (300K) < 0.5Ω·cm < 0.05Ω・cm
Transition defect density 5 × 108 pieces/cm2 or less
Substrate Structure GaN / Sapphire wafer (0001) surface
Effective Area 90% or more
Surface Finish Ga face: CMP finish. N face: fine grinding (option: optical mirror finish)
Packing Method Packed in a clean room with nitrogen. Each piece is individually packed, or in a 25-piece cassette.

GaN Template (φ4 inches)

Item Specifications
Diameter φ100mm ± 0.1mm
GaN Film Thickness 4um. 10~25um
Orientation Plane C-plane (0001) ± 0.5°
Conductivity Type N-type (Undoped)
Orientation Flat. Length Orientation Flat (1-100). Flat length 30 ± 1mm
Electrical Resistivity (300K) < 0.5Ω・cm
Transition Defect Density 5 × 108 pieces/cm2 or less
Substrate Structure GaN / Sapphire Wafer (0001) Surface
Effective Area 90% or more
Surface Finish Ga surface: CMP finish. N surface: Fine grinding (Option: Optical mirror finish)
Packing Method Packed in a clean room with nitrogen. Each piece is packaged individually, or in a 25-piece cassette.

2inch GaN-on-Sapphire Blue/Green LED Wafer

Substrate Type Flat Sapphire
Polish Single side polished(SSP)/Double side polished(DSP)
Dimension 50.8±0.2mm
Orientation Cplane(0001)off angletoward M-axis0.2±0.1°
Thickness 430±25mm
Epilayer Structure 0.2μm pGaN/0.5μm MQWs/2.5μm nGaN/2.0μm uGaN
Thickness 5.5±0.5μm
Roughness(Ra) <0.5nm
Dislocation density <5×108cm2
Wavelength Blue LED Green LED
465±10nm 525±10nm
Wavelength FWHMs <25nm <40nm
Chip Performance Cut-in voltage@1μA 2.3-2.5V 2.2-2.4V
Useable Area >90%(edge and macro defects exclusion)
Package Packaged in a cleanroom in a single wafer container

4inch GaN-on-Sapphire Blue/Green LED Wafer

Substrate Type Flat Sapphire
Polish Single side polished(SSP)/Double side polished(DSP)
Dimension 100±0.2mm
Orientation Cplane(0001)off angletoward M-axis0.2±0.1°
Thickness 650±25μm
Epilayer Structure 0.2μm pGaN/0.5μm MQWs/2.5μm nGaN/2.0μm uGaN
Thickness 5.5±0.5μm
Roughness(Ra) <0.5nm
Dislocation density <5×108cm2
Wavelength Blue LED Green LED Red LED
465±10nm 525±10nm 630±10nm
Wavelength FWHMs <25nm <40nm
Chip Performance Cut-in voltage@1μA 2.3-2.5V 2.2-2.4V
Useable Area >90%(edge and macro defects exclusion)
Package Packaged in a cleanroom in a single wafer container

6inch GaN-on-Sapphire Blue/Green/Red LED Wafer

Substrate Type Flat Sapphire
Polish Single side polished(SSP)/Double side polished(DSP)
Dimension 150±0.2mm
Orientation Cplane(0001)off angletoward M-axis0.2±0.1°
Thickness 1300±25μm
Epilayer Structure 0.2μm pGaN/0.5μm MQWs/2.5μm nGaN/2.0μm uGaN
Thickness 6.9±0.5μm
Roughness(Ra) <0.5nm
Dislocation density <5×108cm2
Wavelength Blue LED Green LED Red LED
475±3nm 521±5nm 630±8nm
Wavelength FWHMs <25nm <40nm
Chip Performance Cut-in voltage@1μA 2.3-2.5V 2.2-2.4V
Useable Area >90%(edge and macro defects exclusion)
Package Packaged in a cleanroom in a single wafer container