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Spire gets go ahead for GaAs expansion
SPIRE CORPORATION has announced the project and assure that progress meets efficiency were achieved during Phase I.
that its wholly owned subsidiary, Spire contract objectives. These objectives
Semiconductor, LLC, has successfully include estimates of key performance “We are very happy to be given the go
completed Phase I of its High Efficiency parameters of competitive Levelized Cost of ahead with our program,” said Roger G.
Concentrator Solar Cell program with the Energy; annual manufacturing capacity Little, Chairman and CEO of Spire
Department of Energy’s National Renewable potential; direct manufacturing cost; and cell Corporation. “It validates our efforts toward
Energy Laboratory (NREL) and has been Mean Time Between Failure (MTBF). PV cell developing a proprietary GaAs concentrator
notified the NREL will authorized Phase II of performances of greater than 39% solar cell that exceeds anything available.”
the program. Under the 18-month, $3.7
million cost share subcontract, Spire
Semiconductor is developing technology to
cost-effectively manufacture 42% efficient,
500 sun, concentrator solar cells for
concentrator photovoltaic (CPV) systems.
Spire Semiconductor passed through the
NREL Stage Gate Review, a go/no go
decision point to validate the progression of
Highest power
output for 638 nm
red LD
GALLIUM NITRIDE
MITSUBISHI has revealed a 638-nanometre SOLUTION
wavelength red LD which could prove ideal
for the increase in popularity of pico
FOR MICROWAVE
projectors. A 638-nanometre wavelength
red laser diode (LDs) has been revealed
and its maker asserted that it offers the
OR LED DEVICES
world’s highest power output for this band
FROM 2-INCH TO MULTI 4-INCH WAFERS
of LDs.
Mitsubishi announced the launch of the
638-nanometre LD, with a power output of
Innovative Reactors
500 milliwatts that makes it ideal for devices
From research to production
such as pico projectors and portable display
Flexibility in the nitrogen sources
systems that need a red light source with
RF nitrogen plasma source
high brightness. The semiconductor industry
Ammonia delivery module
could be interested in this development as
pico projectors are often embedded in or
Full-Service Process Technology Center (PTC)
connected to laptop computers and mobile
Acompanies you to start up through growth
telephones, with LDs and light emitting
demonstration and wafer characterization
diodes mainly used as the light source.
LDs deliver higher output power with less
consumption than LEDs, meaning the
efficiency of semiconductors may constantly
To find out more, please contact us today at:
be addressed to ensure optimal
e-mail: info@riber.com
performance. Furthermore, LDs offer a wider www.riber.com
range of colours compared to lamp-based
RIBER - 31, rue Casimir Périer - 95873 Bezons cedex - France
projectors.Pico projectors require
miniaturised semiconductors as while
Tel: +33 (0) 1 39 96 65 00 / Fax: +33 (0) 1 39 47 45 62
sufficient storage is needed, it needs to fill
as little space as possible to accommodate
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an attached display screen.
January/February 2010 www.compoundsemiconductor.net 11
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