The European Commission has published a revised and extended list of Critical Raw Materials, based on threatened supply coupled with economic importance. The 2014 list includes 13 of the 14 materials identified in the previous list of ...
Tags: Raw Materials, coking coal
Epitaxial deposition and process equipment maker Veeco Instruments Inc of Plainview, NY, USA has introduced the Apex Gas Mixing System for point-of-use gas mixing. The system generates precise binary gas mixtures on a single platform for ...
Tags: Gas Mixing System, Veeco
For first-quarter 2014, AXT Inc of Fremont, CA, USA has reported revenue of $19.3m, up 3.8% on $18.6m last quarter although still down 13.8% on $22.4m a year ago. Fiscal Q1/2013 Q2/2013 Q3/2013 Q4/2013 Q1/2014 Revenue $22.4m $23.8m $20.5m ...
Tags: Electrical, Electronics
Semprius Inc of Durham, NC, USA, which designs and makes high-concentration photovoltaic (HCPV) solar modules, has manufactured the first four-junction, four-terminal stacked solar cell using its proprietary micro transfer printing process ...
Tags: Semprius CPV Solar Junction, Solar, Electrical, Electronics, Solar Cell
Researchers in Taiwan have produced indium gallium arsenide (InGaAs) metal-oxide-semiconductor capacitors (MOSCAPs) with low interface trap densities directly on silicon [Yueh-Chin Lin etal, Appl. Phys. Express, vol7, p041202, 2014]. InGaAs ...
Specialty metal and chemical products firm 5N Plus Inc of Montreal, QuÉbec, Canada has appointed Bertrand Lessard as chief operating officer, effective 28 April. 5N Plus provides specialty purified metals such as bismuth, gallium, ...
Tags: 5N Plus, Electrical, Electronics
GigOptix Inc of San Jose, CA, USA (a fabless supplier of analog semiconductor and optical communications components for fiber-optic and wireless networks) has claimed a leadership position in point-to-point (PtP) wireless backhaul with ...
Tags: Electrical, Electronics, components
Fangliang Gao and Guoqiang Li of South China University of Technology have developed a technique to grow high-quality indium gallium arsenide (InGaAs) on gallium arsenide substrates using an ultrathin amorphous buffer [Appl. Phys. Lett., ...
Specialty foundry TowerJazz (which has fabrication plants at Tower Semiconductor Ltd in Migdal Haemek, Israel, and at its subsidiaries Jazz Semiconductor Inc in Newport Beach, CA, USA and TowerJazz Japan Ltd) says that, at SEMICON China ...
Tags: LED drivers, high voltage, high power
Epiwafer foundry and substrate maker IQE plc of Cardiff, Wales, UK says that its epitaxial wafer technology has been used in conjunction with the University of California Santa Barbara (UCSB) to help develop 1.3μm-emitting quantum dot ...
Tags: silicon technology, semiconductor devices, laser components
Ubiquitous but frustrating, lithium-ion batteries fade because the materials lose their structure in response to charging and discharging. This structural change is closely related to the formation of electron-rich regions within the ...
Tags: electrons, The Lithiation Front, Silicon
In booth #1531 at the Optical Fiber Communication conference & exposition/National Fiber Optic Engineers Conference (OFC/NFOEC 2014) in San Francisco, CA (11-13 March), GigOptix Inc of San Jose, CA, USA (a fabless supplier of analog ...
Tags: coherent optical link design, live demonstration, VCSEL driver
IBM has set a new speed record for data transmission over multimode optical fiber (which is typically used to connect nearby computers within a single building or on a campus). The researchers reckon that the achievement demonstrated that ...
Tags: Optical Fiber, IBM, Data Transmission
University of California Santa Barbara (UCSB) and epiwafer foundry IQE Inc have developed 1.3μm-wavelength indium arsenide (InAs) quantum dot (QD) lasers grown on silicon (Si) with “record performance” [Alan Y. Liu et al, ...
Tags: Silicon, `Quantum Dot Lasers
University of Illinois at Urbana-Champaign has realized junctionless (JL) gallium arsenide (GaAs) nanowire field-effect transistors (NWFETs) "for the first time" by implantation-free source/drain metal-organic chemical vapour deposition ...