Siliconix and STMicroelectronics Announce License Agreement for New Double-Sided Cooling MOSFET Packaging Technology
11 March 2005 - 7:15AM
PR Newswire (US)
Siliconix and STMicroelectronics Announce License Agreement for New
Double-Sided Cooling MOSFET Packaging Technology GENEVA and SANTA
CLARA, Calif., March 10 /PRNewswire-FirstCall/ --
STMicroelectronics (NYSE:STM) and Siliconix incorporated
(NASDAQ:SILI), an 80.4%-owned subsidiary of Vishay Intertechnology,
Inc. (NYSE:VSH), today announced that the two companies have
concluded an agreement whereby ST will license from Siliconix a new
power MOSFET packaging technology that provides superior thermal
performance via top and bottom heat dissipation paths in systems
using forced air cooling. Offered by Siliconix under the
PolarPAK(TM) name, the new package's leadframe and plastic
encapsulation are similar to those used for most standard power
MOSFET packages, ensuring good die protection and easy handling in
manufacturing. Yet compared with the standard SO-8, the PolarPAK
package dissipates heat so efficiently that it can handle twice the
current within the same footprint dimensions. "With the size of
dc-to-dc converters continuing to shrink, it has become a challenge
to dissipate the heat generated by various components on the PCB,"
said Ian Wilson, Manager of the Power MOSFET Division,
STMicroelectronics. "Advances in packaging need to be developed in
tandem with silicon technology improvements. The PolarPAK package,
with its superior thermal handling capability, represents a
remarkable evolution in assembly technology allowing designers to
increase efficiency and power density. This package technology will
complement ST's range of STripFETTM MOSFETs optimized for power
conversion in computer, datacom, and telecom applications. "By
working together with Siliconix we will achieve the greater market
acceptance of this new package necessary to enable cost-effective
solutions," said Carmelo Papa, Corporate Vice President and General
Manager of the Microcontroller, Linear and Discretes Product Group,
STMicroelectronics. "We are strongly committed to the computer and
telecom segments, where we want to be an important player through
continuous innovation." "Siliconix power MOSFET innovations include
the industry's first trench power MOSFETs and a wide range of
package types that maximize power density and thermal performance,"
said Dr. Felix Zandman, Vishay Chairman and Chief Technical and
Business Development Officer, and Dr. Gerald Paul, Vishay President
and CEO. "PolarPAK is the latest in a long line of such technology
milestones that have made Siliconix and Vishay industry leaders,
and this new agreement with STMicroelectronics is a proud moment
for us." "In signing this agreement with STMicroelectronics, we are
taking a significant step towards the adoption of PolarPAK as an
industry-standard package by giving our customers the flexibility
of being able to design with a multi-source solution," said Dr.
King Owyang, Siliconix President and CEO. "We are proud to have a
semiconductor industry leader such as ST recognize the benefits
that PolarPAK can bring to a wide range of power MOSFET
applications." By delivering superior thermal performance and
reducing package-related losses, the 5mm by 6mm PolarPAK package
allows designers to create smaller, more compact circuit designs
with a lower component count. With a height dimension of just 0.8
mm, half the height of the SO-8, the PolarPAK package enables end
products that are thinner as well. About Siliconix Siliconix is a
leading manufacturer of power MOSFETs, power ICs, analog switches,
and multiplexers for computers, cell phones, fixed communications
networks, automobiles, and other consumer and industrial electronic
systems. With 2004 worldwide sales of $466.1 million, the Company's
facilities include a company-owned Class 1 wafer fab dedicated to
the manufacture of power products in Santa Clara, California, and a
Class 1 wafer fab located in Itzehoe, Germany utilized under a
lease arrangement. The Company's products are also fabricated by
subcontractors in Japan, Germany, China, Taiwan, and the United
States. Assembly and test facilities include a company-owned
facility in Taiwan, a joint venture in Shanghai, China, and
subcontractors in the Philippines, China, Taiwan and Israel. About
Vishay Intertechnology Vishay Intertechnology, Inc., a Fortune
1,000 Company listed on the NYSE (VSH), is one of the world's
largest manufacturers of discrete semiconductors (diodes,
rectifiers, transistors, and optoelectronics) and selected ICs, and
passive electronic components (resistors, capacitors, inductors,
and transducers). Vishay's components can be found in products
manufactured in a very broad range of industries worldwide. Vishay
is headquartered in Malvern, Pennsylvania, and has operations in 17
countries employing over 25,000 people. Vishay can be found on the
Internet at http://www.vishay.com/. About STMicroelectronics
STMicroelectronics is a global leader in developing and delivering
semiconductor solutions across the spectrum of microelectronics
applications. An unrivalled combination of silicon and system
expertise, manufacturing strength, Intellectual Property (IP)
portfolio and strategic partners positions the Company at the
forefront of System-on-Chip (SoC) technology and its products play
a key role in enabling today's convergence markets. The Company's
shares are traded on the New York Stock Exchange, on Euronext Paris
and on the Milan Stock Exchange. In 2004, the Company's net
revenues were $8.76 billion and net earnings were $601 million.
Further information on ST can be found at http://www.st.com/.
PolarPAK is a trademark of Siliconix incorporated For further
information, please contact Siliconix Peter Henrici Vice President
Vishay Intertechnology, Inc. Telephone: +1-408-567-8400 E-mail:
STMicroelectronics Maria Grazia Prestini Michael Markowitz
Director, Corporate Media Relations Director, U.S. Media Relations
Tel: +41.2.29.29.69.45 Tel: +1.212.821.8959 Email: Email:
DATASOURCE: STMicroelectronics CONTACT: Maria Grazia Prestini,
Director, Corporate Media Relations, +41-2-29-29-69-45, , or
Michael Markowitz, Director, U.S. Media Relations, +1-212-821-8959,
, both of STMicroelectronics; Peter Henrici, Vice President, Vishay
Intertechnology, Inc., +1-408-567-8400, Web site:
http://www.vishay.com/ http://www.st.com/
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