University of Tokyo has improved the temperature performance of 1.3μm quantum dot (QD) laser diodes bonded to silicon [Katsuaki Tanabe et al, Appl. Phys. Express, vol6, p082703, 2013]. Photonic circuits are commonly created in silicon, ...
Tags: Quantum Dot Lasers, Electrical, Electronics
Researchers based in Belgium have developed gold-free nitride semiconductor Schottky barrier diodes (SBDs) on 200mm-diameter silicon to complement metal-insulator-semiconductor high-electron-mobility transistors (MISHEMTs) previously ...
Tags: Barrier Diodes, Electrical, Electronics
Advanced Micro-Fabrication Equipment Inc (AMEC) of Shanghai, China has been granted Validated End-User (VEU) status by the US Department of Commerce. AMEC makes dielectric and through-silicon via (TSV) etch systems, and at March's SEMICON ...
Tags: MOCVD, Electrical, Electronics
ETH-Zurich has reported increased maximum oscillation frequency for its indium phosphide/gallium arsenide antimonide (InP/GaAsSb) double-heterostructure bipolar transistors (DHBTs) [Rickard L?vblom et al, IEEE Electron Device Letters, ...
Following declines of 45% in 2011 and 30% in 2013, LED wafer fab equipment spending will rise 17% to nearly $1.2bn in 2014 as the LED industry is working through its over-capacity problems and will renew capital spending and capacity ...
Tags: LED Equipment, LED, Electrical, Electronics
Researchers in China have been developing nanopatterned-sapphire substrates (NPSS), achieved with nano-sphere lithography (NSL), as a basis for the production of superior aluminium gallium nitride (AlGaN) semiconductor material for deep ...
Tags: DUV LEDs, LED, Electrical, Electronics
Researchers in China have developed a silicon dioxide (SiO2) on aluminium oxide (Al2O3) passivation for nitride semiconductor light-emitting diodes (LEDs) that offers more than two orders of magnitude reduced current leakage under reverse ...
The University of Glasgow has been awarded £3m in government funding for equipment to support pioneering research to improve the efficiency of electronic and optical components, which includes developing advanced processes on multiple ...
Tags: OIPT, Electrical, Electronics
The Chinese Academy of Sciences’ Institute of Semiconductors and Tsinghua University claim “the first proof-of-concept experimental demonstration of the current-driven pyramid array InGaN/GaN core-shell LEDs interconnected with ...
Tags: Pyramid-array LEDs, Graphene Electrodes, GaN, MOCVD
Peking and Xidian universities have jointly developed a self-terminating gate recess etch that allows them to produce aluminium gallium nitride (AlGaN) normally-off metal-oxide-semiconductor field-effect transistors (MOSFETs) with positive ...
Tags: Electrical, gate recess etch
The UK's University of Manchester has used band engineering on indium phosphide (InP) to create indium gallium arsenide (InGaAs) pseudomorphic high-electron-mobility transistors (pHEMTs) with reduced gate current leakage and high breakdown ...
Tags: Barriers
UK-based etch, deposition and growth system maker Oxford Instruments Plasma Technology (OIPT), part of Oxford Instruments plc, has introduced the PlasmaPro100 Sapphire single wafer etch system. "The PlasmaPro100 Sapphire is designed ...
Tags: Wafer Etch System, Electrical, Electronics
China-based researchers have reported that country's first diamond metal-semiconductor field-effect transistors (MESFETs) with RF characteristics [Feng ZhiHong et al, Science China Technological Sciences, vol56, p957, 2013]. The team was ...
Tags: Diamond MESFET MESFET Diamond, Electrical, Electronics
Plasma etch, deposition and thermal wafer processing equipment maker SPTS Technologies Ltd of Newport, Wales, UK (a Bridgepoint portfolio company) has acquired XACTIX Inc of Pittsburgh, PA, USA, which is claimed to be the market-leading ...
Tags: Electrical, Electronics
Supermarkets in the UK could start using a new machine that marks fruit with laser “tattoos”, meaning sticky labels may soon become a thing of the past, according laser labelling technology specialist Laser Food The Spanish ...