

Improved light output power in GaN-based vertical light-emitting diodes with p-AlInGaN/GaN superlattices We report the effect of p-type AlGaInN/GaN superlattices (SLs) as electron-blocking layers (EBLs) on the optical properties of vertical light-emitting diodes (VLEDs). Using p-AlGaInN/GaN SLs in VLEDs, we have achieved significant improvements in [...]
PAM-02A is an amplifier which used for shaping and amplifying signals comes from scintillation detector, proportional counter and semiconductor detector. PAM-02A integrates amplifier circuit and SK shaping circuit. With ordered cable, it can direct pulse signal which comes from amplifier into multi-channel pulse analyzer. 1. [...]
PAM-XIAMEN offers (11-22) Plane N-GaN Freestanding GaN Substrate: Item PAM-FS-GAN(11-22)- N Dimension 5 x 10 mm2 or 5 x 20 mm2 Thickness 380+/-50um Orientation (11-22) plane off angle toward A-axis 0 ±0.5° (11-22) plane off angle toward C-axis -1 ±0.2° Conduction Type N-type / Si Doped Resistivity (300K) < 0.05 Ω·cm TTV ≤ 10 µm BOW BOW ≤ 10 µm Surface Roughness Front side: Ra<0.2nm, epi-ready; Back side: Fine Ground or polished. Dislocation Density ≤ 5 x 10 6cm-2 Macro Defect Density 0 cm-2 Useable Area > 90% (edge exclusion) Package each in single wafer container, under nitrogen atmosphere, packed in class 100 clean room For more information, please contact us email at [email protected] and [email protected]
Some news indicates that a high-tech company in a certain country has developed a new type of substrate material that matches the GaN lattice and can grow GaN well. (Note: It is very difficult to prepare GaN bulk single crystals, so the GaN mentioned [...]
Silicon carbide of Ni/6H-SiC and Ti/4H-SiC type Schottky diode current-voltage characteristics modelling On the base of the physical analytical models based on Poisson’s equation, drift–diffusion and continuity equations the forward current–voltage characteristics of 6H-SiC and 4H-SiC type Schottky diode with Ni and Ti Schottky contact [...]
Analyses of Five Major LED Manufacturers Vertical Integration Strategies (Part 1) Upheld as the classical business models in the LED industry, Dutch lighting giant Philips and leading German lighting manufacturer Osram business models have been the most discussed among market insiders. The two European companies vertical integration [...]