Taiwan-based researchers have been working to reduce nitride semiconductor high-electron-mobility transistor(HEMT)costs by developing copper interconnect structures compatible with production processes on silicon substrates[Yueh-Chin Lin et ...
Tags: HEMT, Breakdown Voltages, Copper, Gold
Researchers in Nanjing,China have reported the first fabrication and characterization at high temperature of high-performance solar-blind photodetectors(PDs)based on an aluminium gallium nitride(AlGaN)absorption layer and planar ...
Tags: High-Temperature, PD, MSM, Solar
A little bit of semiconductor magic made a lot of difference to RF power amplifiers,and looks like it will do the same for mains PSUs. That magic is the'two-dimensional electron gas'that forms between layers in certain semiconductor ...
Tags: GaN, semiconductor, RF power amplifiers, GaAs, SiC, PSU, JFET
Tokyo-based Mitsubishi Electric Corp has developed a prototype forced-air-cooled three-phase 400V output inverter with all-silicon carbide(SiC)power modules that has a power density of 50kVA per liter.The module,which is rated at ...
Tags: Mitsubishi Electric, all-SiC inverter, Tokyo, electric resistance
Samsung has developed a graphene transistor that can switch off current without sacrificing mobility in the'on'state. "Graphene possesses electron mobility about 200 times greater than that of silicon,although current cannot be switched ...
Tags: Samsung, graphene transistor, Graphene, decrease the mobility
RWTH Aachen University and Aixtron SE in Germany have developed a new technique to create aluminium oxide insulated gates for nitride semiconductor transistors[Herwig Hahn et al,Semicond.Sci.Technol.,vol27,p062001,2012].The method consists ...
Tags: Plasma oxidation, RWTH Aachen University, Aixtron SE, GaN
In Hall 12,booth 404 at the PCIM Europe 2012 trade show in Nuremberg,Germany(8-10 May),power semiconductor manufacturer Infineon Technologies has launched its new CoolSiC 1200V silicon carbide(SiC)JFET family which,the firm says,takes ...
Tags: Infineon, SiC JFETs, Solar inverters, CoolSiC technology