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Osram explores the route to high-performance greens Jul 7, 2008

Why are green LEDs so inefficient? Is it the result of poor carrier injection, high Auger loss, strong internal fields, or simply poor material quality, asks Osram's Matthias Peter.

Jobs

RF/Microwave IC Designer - Cambridge, UK

Posting date: Jul 2, 2008
Cambridge, United Kingdom

Process Engineer - Aachen, Germany

Posting date: Jun 13, 2008
Aachen, Germany

Semiconductor Device Processing Engineer/Scientist - Cork, Ireland

Posting date: Jun 12, 2008
Ireland

Semiconductor Equipment Technician - Atlanta, Georgia

Posting date: Jun 12, 2008
Atlanta, United States

Current events

SEMICON West 2008

1517 Jul 2008, San Francisco, California, United States.

International Conference on Molecular Beam Epitaxy

38 Aug 2008, Vancouver, British Columbia, Canada.

COMS2008 – Commercialization of Micro and Nano Systems

31 Aug4 Sep 2008, Puerto Vallarta, Jalisco, Mexico.

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Latest issue

Volume 14 No 6
June 2008

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The Business

Analyst: Many CPV firms won’t deliver Jul 8, 2008

Lux Research says that when solar power costs reach grid parity, compound semiconductor systems will near 2 percent of the $70 billion overall market.

Umicore to double germanium wafer output Jun 27, 2008

MTT-S IMS 2008 in pictures Jun 24, 2008

Strong demand pull fires up GaN foundries Jun 20, 2008

Infinera whacked despite Deutsche deal Jun 17, 2008

In the Fab

Improved bubblers smooth metalorganic flows Jul 4, 2008

If MOCVD process engineers want greater control over their vapor concentrations then they should consider our upgraded VaporStation, says Rohm and Haas.

On-wafer RF probe raises throughput Jul 3, 2008

RFMD casts GaN in starring cable TV role Jun 26, 2008

Smallest Jazz process offers lean, green chips Jun 20, 2008

MMIC amps make a small noise for Ommic Jun 19, 2008

In the Lab

Buried photonic crystals boost LED emission Jul 7, 2008

Deeply entrenched silica lattices hold the key to producing photonic crystal LEDs that maintain electrical performance while improving light extraction, say South Korean scientists.

'Excitonic integrated circuit' is a first Jun 30, 2008

Tiny green laser targets mobile projectors Jun 27, 2008

High-power SLED delivers broad spectrum Jun 24, 2008

Dilute nitride closes in on telecom demands Jun 12, 2008