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DENSO Licenses SJ MOS Transistor


DENSO Licenses SJ MOS Transistor

- DENSO's transistor fabrication technology enables more energy-efficient and smaller power units -

Kariya, Japan, Feb 27, 2013 - (JCN Newswire) - DENSO Corporation today announced that it has signed a licensing agreement for its Super Junction Metal-Oxide-Semiconductor (SJ MOS) transistor manufacturing technology, with Tokyo-based New Japan Radio Co., Ltd - a company that manufactures semiconductors and electronic components. DENSO's new technology realizes a power semiconductor device with the world's lowest level(1) of on-resistance(2), which results in an improvement in efficiency and a smaller power device.

Developed with DENSO's own technology, the new SJ MOS transistor can be used to increase the energy efficiency of personal computer AC adapters, servers, in-vehicle power converters, and other devices, while also making them smaller in size. Also, the new transistor involves fewer fabrication steps than those made by conventional SJ MOS fabrication technologies, which reduces the manufacturing cost.

DENSO is committed to further expand its licensing business of the SJ MOS transistor technology in the global market.

About DENSO's SJ MOS transistor fabrication technology

DENSO has developed the trench-filling technology to fabricate SJ MOS transistors. With this technology, micron-scale (micro-m: one millionth of a meter) trenches are etched on the surface of a silicon substrate, then using epitaxial growth(3), a thin-stripe structure of N- and P-type semiconductors are formed. DENSO's own trench-filling technology allows finer fabrication, which reduces the on-resistance and increases the switching speed of SJ MOS transistors, thus reducing the size and power consumption of power units, in-vehicle power converters, and other devices.

About DENSO's semiconductor business

In anticipation of the widespread use of automotive electronics, DENSO established the IC Research Center in 1968. Since then, the company has designed, developed, and produced in-vehicle semiconductor devices for more than 40 years. DENSO will continue to develop more advanced semiconductor technologies based on those it has already developed.

(1) DENSO's survey of SJ MOS transistors as of February 2013 (2) The resistance value of a power semiconductor when activated (energized). A lower value of resistance means less power loss and higher energy efficiency. (3) A technique to produce thin films from crystals on a substrate in a chemical reaction.

About Denso

DENSO Corporation, headquartered in Kariya, Aichi prefecture, Japan, is a leading global automotive supplier of advanced technology, systems and components in the areas of thermal, powertrain control, electric, electronics and information and safety. Its customers include all the world's major carmakers. Worldwide, the company has more than 200 subsidiaries and affiliates in 35 countries and regions (including Japan) and employs over 120,000 people. Consolidated global sales for the fiscal year ending March 31, 2012, totaled US$38.4 billion. Last fiscal year, DENSO spent 9.5 percent of its global consolidated sales on research and development. DENSO common stock is traded on the Tokyo and Nagoya stock exchanges. For more information, go to www.globaldenso.com, or visit our media website at www.densomediacenter.com.

Contact:

Sadayoshi Yokoyama, Goro Kanemasu DENSO CORPORATION Phone: 81-566-25-5594 Fax: 81-566-25-4509 sadayoshi_yokoyama@denso.co.jpgoro_kanemasu@denso.co.jp

Copyright 2013 JCN Newswire. All rights reserved. www.japancorp.net

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