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Dive into the research topics where Walter Rieger is active.

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Featured researches published by Walter Rieger.


international symposium on power semiconductor devices and ic's | 2015

95% DC-DC conversion efficiency by novel trench power MOSFET with dual channel structure to cut body diode losses

O. Häberlen; Martin Pölzl; J. Schoiswohl; M. Rösch; S. Leomant; Gerhard Nöbauer; Walter Rieger

A novel 25V silicon trench power MOSFET optimized for fast and high efficient switching with record Ron*Qg and Ron*Qoss figure-of-merits is reported. A dual channel structure with two different gate oxide thicknesses allows reducing the body diode conduction losses by up to 50% and enables 95% DC-DC conversion efficiency.


Archive | 2003

Method for fabricating a transistor configuration including trench transistor cells having a field electrode, trench transistor, and trench configuration

Ralf Henninger; Franz Hirler; Joachim Krumrey; Walter Rieger; Martin Pölzl; Heimo Hofer


Archive | 2003

Transistor configuration with a shielding electrode outside an active cell array and a reduced gate-drain capacitance

Ralf Henninger; Franz Hirler; Joachim Krumrey; Walter Rieger; Martin Poelzl


Archive | 2003

Semiconductor component with an increased breakdown voltage in the edge area

Ralf Henninger; Franz Hirler; Joachim Krumrey; Markus Zundel; Walter Rieger; Martin Pölzl


Archive | 2002

Semiconductor arrangement with a MOS-transistor and a parallel Schottky-diode

Wolfgang Werner; Franz Hirler; Joachim Krumrey; Walter Rieger


Archive | 2004

Power transistor arrangement and method for fabricating it

Martin Pölzl; Franz Hirler; Oliver Häberlen; Manfred Kotek; Walter Rieger


Archive | 2009

FIELD PLATE TRENCH TRANSISTOR AND METHOD FOR PRODUCING IT

Franz Hirler; Walter Rieger; Thorsten Meyer; Wolfgang Klein; Frank Pfirsch


Archive | 2003

Transistor configuration with a structure for making electrical contact with electrodes of a trench transistor cell

Joachim Krumrey; Franz Hirler; Ralf Henninger; Martin Pölzl; Walter Rieger


Archive | 2011

MONOLITHIC SEMICONDUCTOR SWITCHES AND METHOD FOR MANUFACTURING

Oliver Haeberlen; Walter Rieger; Lutz Goergens; Martin Poelzl; Johannes Schoiswohl; Joachim Krumrey


Archive | 2010

SEMICONDUCTOR INCLUDING LATERAL HEMT

Franz Hirler; Walter Rieger; Markus Zundel

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