MicroWave Technology Inc (MwT) of Fremont, CA, USA, the RF division of IXYS Corp that makes microwave devices, MMICs, hybrid modules and connecterized amplifiers for wireless communication infrastructure, military/aerospace, industrial and ...
Tags: Amplifier, Electrical, Electronics, MicroWave Technology
M/A-COM Technology Solutions Inc of Lowell, MA, USA (which makes analog semiconductors, components and subassemblies for RF, microwave and millimeter-wave applications) has launched three broadband solderable flip-chip devices, namely a ...
Tags: M/A-COM, Electrical, Electronics
The 11.8m Euro pan-European project NEWLED (‘Nanostructured Efficient White LEDs based on short-period superlattices and quantum dots’) is aiming to develop a new generation of 50-60% energy-efficient white light-emitting LED ...
Tags: LED lighting, LEDlighting
A $15-million, EU-funded research project will investigate novel ways to build white LEDs that do not require phosphors. A recently launched European research project, codenamed NEWLED, is aiming to develop high-efficiency and ...
Tags: LED Structures, LED, NEWLED project
MicroWave Technology Inc (MwT) of Fremont, CA, USA, a subsidiary of IXYS Corp that makes microwave devices, MMICs, modules and subsystems for wireless communication infrastructure, defense, industrial and medical equipment applications, has ...
Two Yale University researchers have developed epitaxial distributed Bragg reflectors (DBRs) in nitride semiconductors with reflectivities of more than 98% [Danti Chen and Jung Han, Appl. Phys. Lett., vol101, p221104, 2012]. Further, the ...
Researchers in China have designed and constructed a two-stage 2.5-5GHz low-noise amplifier(LNA)using enhancement-mode(normally-off)aluminium gallium arsenide(AlGaAs)pseudomorphic high-electron-mobility transistors(pHEMTs)[Peng Yangyang et ...
Tags: LNA AlGaAs AlGaAs pHEMT
Back in 1960 Electronics Weekly was born into a ferment of III-V semiconductor research that within two years would produce the first practical LED. In 1960 Dr Nick Holonyak of General Electric was developing an unusual material,GaAsP,as ...
Tags: General Electric, LED history, USA
LEDs - or Light-Emitting Diodes – are semiconductors that generate narrow-spectrum light when electrically biased in the forward direction of the p-n junction. This effect is a form of electroluminescence. A single LED is often a ...
Tags: LED
4 September 2012 Wafer-scale transfer of III-Vs to silicon preparing for low-cost manufacturing Researchers based in the Republic of Ireland,Northern Ireland and the USA have developed a wafer-scale method to integrate III-V devices with ...
Tags: Wafer-scale transfer, electronics industry, low-cost manufacturing, laser
LEDs How it works A Light Emitting Diode (LED) is a semiconductor diode that emits light when an electric current is applied in the forward direction of the device. The effect is a form of electroluminescence where incoherent and ...
Hamamatsu reports record-power-density VCSEL Hamamatsu Photonics K.K.has reported the first demonstration of 10-watt-class output power for a vertical-cavity surface-emitting laser(VCSEL)array with ion-implanted isolated current ...
Tags: Hamamatsu, Record-Power-Density, current apertures, VCSEL
LayTec AG of Berlin, Germany (which makes in-situ metrology systems for thin-film processes, focusing on compound semiconductor and photovoltaic applications) says that on 21 June Challentech International Corp, its partner for sales ...
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
Researchers at Ukraine's Lashkaryov Institute of Semiconductor Physics have been studying current crowding and electrical efficiency degradation in vertical indium gallium nitride(InGaN)light-emitting diodes(LEDs)made from material grown on ...
Tags: Vertical InGaN/SiC LEDs, SiC substrates, massive heat sink