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Tuesday 8th March 2005
After a legal battle spanning nearly four years, Nichia has finally claimed victory over its former employee Shuji Nakamura. Michael Hatcher looks back at the famous blue-LED case and assesses the reaction of the two protagonists.
Tuesday 8th March 2005
Increasing its market share in power amplifiers and creating opportunities for its daughter company Lumileds are two of the strategies that Agilent's semiconductor product group will use as it looks to increase revenue from consumer electronics applications. Michael Hatcher reports.
Wednesday 9th February 2005
3G cell phones and networks, next-generation DVD, and high-speed InP transistors are just some of the key applications that will shape the compound semiconductor industry in 2005, write Michael Hatcher and Richard Stevenson.
Wednesday 9th February 2005
Suppliers of millimeter-wave MMICs must cut their packaging and assembly costs if the technology is to achieve mass-market success. Susan Curtis reports on the emerging sector.
Wednesday 9th February 2005
Swiss start-up BeamExpress has developed a high-volume manufacturing process for long-wavelength singlemode VCSELs, company founder and chief scientist Eli Kapon outlines the wafer-fusion technique.
Wednesday 9th February 2005
Desirable properties such as low-noise performance at room temperature, radiation hardness and high-temperature operation could persuade manufacturers to invest in silicon carbide-based devices for radiation detectors. Richard Stevenson investigates.
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Tuesday 14th December 2004
After a year that began with hope of a recovery, chip manufacturers supplying the fiber-optic telecom industry have seen a slump in share prices to well below those at the start of 2004. But as talk of consolidation returns, carriers are at last announcing some major fiber network build-outs.
Wednesday 1st December 2004
The combination of higher growth rates and a lower defect density gives HVPE an edge over techniques such as MOCVD for the growth of UV LEDs. TDI's Vladimir Dmitriev and Alexander Usikov, and Heikki Helava and Barney O'Meara from the Fox Group outline their progress.
Wednesday 1st December 2004
Improvements in LED efficacy at Cree, Osram and Nichia were all voiced at Intertech LEDs 2004, alongside Evident's progress in the commercialization of nanocrystals for phosphor converters and emitter devices. Tim Whitaker and Richard Stevenson describe the highlights of the conference.
Wednesday 1st December 2004
As long as people keep buying cell phones, unit LED shipments will continue to expand, but with increasing downward pressure on selling prices, it will be new applications of ultrahigh brightness sources that drive future market growth. Michael Hatcher reports
Wednesday 1st December 2004
Despite being a vast country, China's energy resources are relatively scarce. As a result, the government sees LED manufacturing as a key part of the country's future as its rapid economic expansion puts an increasing strain on power. Michael Hatcher reports.
Wednesday 1st December 2004
Several recent announcements indicate that liquid-crystal-display manufacturers are increasingly interested in using LED modules as the backlights in larger screens for PCs and televisions. However, the market may not grow as rapidly as some predict. Tim Whitaker reports.
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Wednesday 1st December 2004
Until recently, HB-LED-related research concentrated on the development of light-producing chip material. Now, as very-high-volume applications such as solid-state lighting beckon, investigations into encapsulant technology have become equally important. Bill Riegler, Stephen Bruner and Rob Thomaier from NuSil Technology discuss the merits of silicone encapsulants.
Tuesday 9th November 2004
Just two months ago Xindium Technologies parted company with its research team, including the start-up's co-founder Milton Feng. CEO John Brewer says that after first establishing a foothold in the handset supply chain with GaAs-based products, Xindium's priority will be to produce InP-based cell-phone power amplifiers for the EDGE market. Michael Hatcher reports.
Tuesday 9th November 2004
Eliminating micropipes in SiC substrates, altering growth conditions in real time to reduce the overall strain in GaN-on-silicon heterostructures, and fabricating cubic SiC on silicon substrates all featured at this year's ECSCRM. Richard Stevenson reports.
Tuesday 9th November 2004
Despite the realization of 3G wireless networks and defense applications of wide-bandgap devices, makers of transistors based on SiC and GaN must find other, higher-volume applications of the technology to sustain future production. Michael Hatcher searches for opportunities.
Tuesday 9th November 2004
Siemens spin-off SiCED and STMicroelectronics are sampling SiC Schottky diodes, MOSFETs and pin diodes. With commercialization soon to follow, Richard Stevenson investigates.
Wednesday 13th October 2004
Among the highlights of the Fourth International Conference on Solid-State Lighting were updates on government-sponsored programs in Japan and the US, and a report of white LEDs with a color-rendering index approaching the theoretical maximum of 100. Tim Whitaker reports from Denver.
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Wednesday 13th October 2004
Californian start-up QPC says that its 2D surface-emitting diode arrays will be a good deal cheaper than conventional high-power diode stacks. Oliver Graydon reports.
Wednesday 13th October 2004
Record profit, a five-year investment in manufacturing facilities of $300 million and a sharp rise in its stock price mean that LED maker Cree is one of the brightest lights in the compound semiconductor industry right now. Hamish Johnston quizzes John Palmour, Cree's executive vice-president and director of advanced devices, on the company's manufacturing strategy.
Wednesday 13th October 2004
As blue lasers and wide-bandgap RF devices begin to arrive on the commercial landscape, one of the key questions for manufacturers is the choice of substrates: foreign, quasibulk or native. Keith Evans takes a closer look at what the three different technologies have to offer.
Wednesday 13th October 2004
With 10 Gb/s Ethernet port shipments rising fast following two quiet years, the opportunity now exists for increasingly reliable, affordable Fabry-Pérot lasers to replace more complex designs. Modulight's Pekko Sipilä reports.
Wednesday 15th September 2004
Strained-silicon and strained-silicon-on-insulator devices look certain to have a massive impact on the digital device sector in years to come, while another opportunity lies in traditional GaAs applications, particularly RF switches. Michael Hatcher examines recent developments in advanced-silicon technology.
Wednesday 15th September 2004
The inaugural Compound Semiconductor Week will bring together two technical conferences and a technology exhibition to cater for every level of the compound semiconductor supply chain. Michael Hatcher looks forward to the various events that will take place in Monterey in October.
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