GaN Wafer

PAM-XIAMEN specializes in GaN-based ultra high brightness blue and green light emitting diodes (LED)

and laser diodes (LD),also offer Gallium Nitride free-standing wafer and GaN Templates(GaN-on-sapphire).

Here shows detail specification:

Download GaN Wafer Specification here

GaN on Al2O3-2” epi wafer Specification(LED Epiwafer)

White: 445~460 nm
Blue:465~475 nm
Green:510~530 nm
1. Growth Technique - MOCVD
2. Diameter: 50.8mm
3. Substrate material: Patterned Sapphire Substrate(Al2O3)
4. Pattern size: 3X2X1.5μm
5. Structure:
Structure layers Thickness(μm)
p-GaN 0.2
p-AlGaN 0.03
InGaN/GaN(active area) 0.2
n-GaN 2.5
u- GaN 2
Al2O3 (Substrate) 430
6.Parameters to make chips:
Item Color Chip Size Characteristics Appearance Application
Lighting
Vf = 2.8~3.4V LCD backlight
PAM1023A01 Blue 10mil x 23mil Po = 18~25mW Mobile appliances
Wd = 450~460nm Consumer electronic
Vf = 2.8~3.4V General lighting
PAM454501 Blue 45mil x 45mil Po = 250~300mW LCD backlight
Wd = 450~460nm Outdoor display
*If you need to know more detail information of Blue LED Chip, please contact with our sales departments
7.Application:
Lighting
LCD back light
Mobile appliances
Consumer electronic

2" GaN Template

Item PAM-GaNT-N PAM-GaNT-SI
Conduction Type N-type Semi-insulating
Size 2"(50mm) dia.
Thickness 20um,30um 30um,90um
Orientation C-axis(0001)+/-1O
Resistivity(300K) <0.05Ω·cm >1x106Ω·cm
Dislocation Density <1x108cm-2
Substrate Structure Thick GaN on Sapphire(0001)
Surface Finish Double Side Polished,epi-ready
Usable Area ≥ 90 %

2"GaN Free-standing Wafer

Item PAM-GaN50-N PAM-GaN50-SI
Conduction Type N-type Semi-insulating
Size 2"(50mm) dia.
Thickness 230+/-20um, 280+/-20um
Orientation C-axis(0001)+/-1O
Resistivity(300K) <0.05Ω·cm >1x106Ω·cm
Dislocation Density <5x106cm-2
Marco Defect Density <5cm-2
Surface Finish Double Side Polished,RMS<2nm,N-Face RMS<1μm,epi-ready
Usable Area ≥ 90 %

10mm*10.5mm,GaN Free-standing Wafer

Item PAM-GaN50-N PAM-GaN50-SI
Conduction Type N-type Semi-insulating
Size 10mmx10.5mm
Thickness 230+/-20um, 280+/-20um
Orientation C-axis(0001)+/-1O
Resistivity(300K) <0.05Ω·cm >1x106Ω·cm
Dislocation Density <5x106cm-2
Marco Defect Density <5cm-2 or 5-10cm-2 <5cm-2
Surface Finish Double Side Polished,RMS<2nm,N-Face RMS<1μm,epi-ready
Usable Area ≥ 90 %
*We also offer 5mm*5mm,GaN Free-standing Wafer