Patent
US 9,991,341light-emitting diode
power semiconductor device (PN diode/bipolar transistor/heterojunction device)
substrate
silicon support
Si
P-type doped single-crystal gallium nitride layer
GaN:Mg
potassium hydroxide etching solution
KOH
orthophosphoric acid etching solution
H₃PO₄
Recess Depth Range | 0.2–10 microns | GaN |
Recess Width Range | 0.001–0.5 microns | GaN |
Layer Thickness Range | 0.2–15 microns | GaN:Mg |
Thickness | 0.2–10 µm | — |
Thickness | 0.001–0.5 µm | — |
light-emitting diode
power semiconductor device (PN diode/bipolar transistor/heterojunction device)
substrate
silicon support
Si
P-type doped single-crystal gallium nitride layer
GaN:Mg
potassium hydroxide etching solution
KOH
orthophosphoric acid etching solution
H₃PO₄
Recess Depth Range | 0.2–10 microns | GaN |
Recess Width Range | 0.001–0.5 microns | GaN |
Layer Thickness Range | 0.2–15 microns | GaN:Mg |
Thickness | 0.2–10 µm | — |
Thickness | 0.001–0.5 µm | — |
light-emitting diode
power semiconductor device (PN diode/bipolar transistor/heterojunction device)
substrate
silicon support
Si
P-type doped single-crystal gallium nitride layer
GaN:Mg
potassium hydroxide etching solution
KOH
orthophosphoric acid etching solution
H₃PO₄
Recess Depth Range | 0.2–10 microns | GaN |
Recess Width Range | 0.001–0.5 microns | GaN |
Layer Thickness Range | 0.2–15 microns | GaN:Mg |
Thickness | 0.2–10 µm | — |
Thickness | 0.001–0.5 µm | — |
light-emitting diode
power semiconductor device (PN diode/bipolar transistor/heterojunction device)
substrate
silicon support
Si
P-type doped single-crystal gallium nitride layer
GaN:Mg
potassium hydroxide etching solution
KOH
orthophosphoric acid etching solution
H₃PO₄
Recess Depth Range | 0.2–10 microns | GaN |
Recess Width Range | 0.001–0.5 microns | GaN |
Layer Thickness Range | 0.2–15 microns | GaN:Mg |
Thickness | 0.2–10 µm | — |
Thickness | 0.001–0.5 µm | — |