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Technical Insights


Tuesday 10th August 2004
GaN-based materials and quantum dots were two of the major talking points at ICMOVPE-XII, which was held in Maui, Hawaii. Richard Stevenson describes some conference highlights.
Friday 9th July 2004
GaN substrates are manufactured by only a handful of companies at prices prohibitive to volume production, but offer great potential for high-performance devices. Richard Stevenson reports.
Friday 9th July 2004
With LED manufacturers narrowing device quality requirements, improvements to structural and optical properties of epiwafer surfaces have become critical. Doru Florescu from Veeco Instruments describes GaN-based LED layer optimization using atomic force microscopy.
Friday 9th July 2004
With the cellular infrastructure industry promising to offer III-V device manufacturers the first substantial application market for GaN-based electronics, Ed Piner reports on the latest efforts to push commercialization of AlGaN/GaN HFET technology at Nitronex Corporation.
Friday 9th July 2004
High-speed wireless broadband data communications is expected to create a diversified, multibillion-dollar market for millimeter-wave devices in the next five years. According to Ed Weatherwax, the key areas are cellular infrastructure, two-way satellite terminals and terrestrial broadband access.
Friday 9th July 2004
Rob Williamson and Manoj Kanskar report on dramatic improvements in the power conversion efficiency of high-power laser diode bars, enabling higher-reliability devices and new applications.
Tuesday 6th July 2004
Regulated charge pump solutions are very popular for applications in handheld devices where the total output current is less than 100 mA, due to their simplicity and low cost, writes Fabien Franc of Catalyst Semiconductor.
Tuesday 1st June 2004
Zero-bias InAs/AlGaSb detectors and a host of other III-V components are at the heart of a camera that is expected to dramatically improve mm-wave imaging systems. Tim Whitaker reports.
Tuesday 1st June 2004
With increasing electronic content and applications in cars, the automotive industry offers great potential for III-V device manufacturers. Richard Stevenson reports.
Tuesday 1st June 2004
A fall in the price of blue LEDs used in handset keypad backlights means that Korean manufacturers are looking to white LEDs and applications outside the cell phone market. Hordon Kim reports.
Tuesday 1st June 2004
Increased demand for optical data storage applications and from Korean cell phone manufacturers wanting blue LEDs are the primary reasons behind a boom in III-V device manufacturing in Taiwan, as Michael Hatcher reports.
Tuesday 1st June 2004
As more companies develop commercially viable violet laser diodes, and both LEDs and lasers move into the UV, many improvements continue to be made at the device level, writes Max Shatalov.
Tuesday 1st June 2004
With many optoelectronics manufacturers set up during the telecom boom now looking to target industrial and military applications of lasers, John Marsh describes a technique that improves the manufacturing yield of high-power diode laser arrays.
Tuesday 4th May 2004
In just two years, DARPA's Semiconductor Ultraviolet Optical Sources (SUVOS) program has made 280 nm LEDs a reality, demonstrated prototype UV biosensor and communication systems, and yielded lasers operating below 350 nm. Tim Whitaker reports.
Tuesday 4th May 2004
Agilent is now shipping 2 million E-PHEMT-based power amplifier modules per month, and cell phone consumers are benefiting from the increased battery life enabled by the technology. Dan McNamara describes the development of the devices and future plans for lower-voltage operation and front-end module integration.
Tuesday 4th May 2004
Although GaAs continues to dominate in cellular PAs, several suppliers hope that their new products designed in SiGe and CMOS may soon start to appear in handsets. Tim Whitaker reports.
Tuesday 4th May 2004
With a glut of GaAs capacity still in place, how can pure-play GaAs foundries survive and be profitable? Not easily, in the view of some senior industry figures. Michael Hatcher catches up with WIN Semiconductor and reports on what some see as a flawed business model.
Tuesday 4th May 2004
As the market-share leader in cellular power amplifiers, RF Micro Devices continues to implement new technologies and introduce smaller and more highly integrated products. The company is now set to potentially double its dollar content within each handset by moving into the GSM/GPRS transceiver market. Compound Semiconductor spoke with Jerry Neal, RFMD co-founder and executive vice-president of marketing and strategic development.
Tuesday 6th April 2004
Buoyant sales of DVD players and recorders in 2003 more than offset the third consecutive annual drop in sales to telecom applications as the laser diode market grew for the first time since 2000. Figures show that optical data storage is now dominating the laser diode market more than ever.
Tuesday 6th April 2004
At the annual OFC conference in late February, members of a mildly optimistic fiber-optic industry gathered in Los Angeles to discuss the latest developments in what could be the start of a recovery for the depressed sector. Michael Hatcher reports.
Tuesday 6th April 2004
A unique combination of self-organized quantum dot structures, an AlAs-GaAs material system and a defect-reduction technique promises to deliver dramatic advantages for GaAs-based devices in both optoelectronic and microelectronic applications, writes Nikolai Ledentsov.
Tuesday 6th April 2004
As mobile phone handsets continue to be the key driver behind growth in HB-LED manufacturing, Michael Hatcher reports from the Strategies in Light conference on a serious ramp-up of production capacity in Asia, "kilolumen" sources and the development of LED headlamps.
Tuesday 6th April 2004
For Matsushita Electric Industrial, recordable DVD is set to be huge this year, while a next-generation DVD recorder based on a GaN laser is scheduled for July. Meanwhile, the company is refocusing its GaAs MMIC production on the global market. Bob Johnstone reports from company HQ in Kyoto.
Monday 15th March 2004
Lighting designers are eager to increase their adoption of LED technology, but are looking for device suppliers to remove some of the hurdles, writes Tim Whitaker.

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