Diodes, in general, are made of very thin layers of semiconductor material; one layer will have an excess of electrons, while the next will have a deficit of electrons. This difference causes electrons to move from one layer to another, ...
Tags: LED, Light Emitting Diode
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
Researchers in the USA have achieved record transconductance and cut-off frequencies for indium gallium arsenide (InGaAs) channel metal-oxide field effect transistors (MOSFETs) [D.-H. Kim et al, Appl. Phys. Lett., vol101, p223507, 2012]. ...
Microsemi Corp of Aliso Viejo, CA, USA (which designs and makes high-reliability analog and RF devices, mixed-signal integrated circuits, FPGAs and customizable SoCs, and complete subsystems, based on silicon, gallium arsenide and silicon ...
A shortage of sapphire material between 2010 and 2011 created a window of opportunity for new entrants. In just the last two years, more than 80 companies announced their intention to enter the industry. This trend coupled with slow demand ...
Tags: LEDs, polycrystalline silicon, semiconductor chemicals
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 the MAAM-010373 monolithic microwave integrated ...
According to the report 'Photonic Integrated Circuit (IC) & quantum computing Market-By Application (optical fiber communication, Optical Fiber sensors, Biomedical, Others), Integration (Hybrid, Module & Monolithic), Components, Raw ...
Tags: PICs, MarketsandMarkets, market revenue, CAGR, raw materials
Sofradir of Paris, France, which makes cooled infrared detectors based on mercury cadmium telluride (MCT/HgCdTe) for military, space and commercial applications, has agreed to acquire the infrared (IR) detector technology development and ...
Tags: Sofradir, infrared detectors, IR detectors, Sagem, InSb, QWIP
Japan's Sharp Corp has achieved what is claimed to be record solar cell conversion efficiency(for research-level non-concentrator solar cells)of 37.7%using a triple-junction III-V compound semiconductor solar cell(in which three ...
Tags: Sharp, solar cell conversion efficiency, triple-junction cell
At the 2012 Fall Meeting of the Materials Research Society(MRS)in Boston at the beginning of December,Global Photonic Energy Corp(GPEC)of Medford Lakes,NJ,USA–a developer of a organic photovoltaic(OPV)technology that has research ...
Tags: MRS, GPEC, thin-film solar cell, electricity
The modern day LED was born 50 years ago this month.Jeanine Chrobak-Kando,Business Development Manager at Verbatim,describes how far the lighting technology has come in such a short time. Light-emitting diodes(LEDs)have become an ...
Tags: LED, celebrates 50th Anniversary, Jeanine Chrobak-Kando
OPEL Technologies Inc of Toronto, Ontario, Canada – which makes high-concentration photovoltaic (HCPV) panels and solar tracker systems through its subsidiary OPEL Solar Inc and develops III-V semiconductor devices through US ...
Tags: OPEL, ODIS, POET, high-concentration photovoltaic panels, HCPV
Researchers based in France and Germany have developed techniques for growing indium arsenide (InAs) channel structures on silicon [L. Desplanque et al, Appl. Phys. Lett., vol101, p142111, 2012]. Room-temperature mobility for the epitaxial ...
Tags: growing indium arsenide, InAs, chemicals
Singapore researchers have developed high-mobility III-V indium gallium arsenide (InGaAs) channel n-type metal-oxide-semiconductor field-effect transistors (n-MOSFET) on germanium-on-insulator (GeOI) substrates [Ivana et al, Appl. Phys. ...
Tags: n-MOSFETs, metal-oxide-semiconductor, semiconductor, transistors
Taiwan’s Union Optronics Corp (UOC) has purchased an AIX 2600G3 planetary reactor from Aixtron SE of Herzogenrath, Germany, to expand production of gallium arsenide (GaAs) based laser diodes. Purchased in Q2/2012 and due for delivery ...
Tags: laser diode, diodes, Metal Organic Chemical, laser production