High Temperature MESFET-Based Integrated Circuits Operating up to 300°C
J. Würfl, B. Janke, E. Nebauer, S. Thierbach, P. Wolter
Published in:
International Electron Devices Meeting (IEDM'96), San Francisco, USA, Dec. 8-11, Technical Digest ISBN 0-7803-3394-2, pp. 219-222 (1996).
Abstract:
A GaAs MESFET technology for the fabrication of devices for reliable operation at high temperatures is presented. The technology is based on highly stable ohmic and Schottky contacts containing WSiN diffusion barriers and is optimized towards minimum temperature induced leakage currents across the substrate or along the semiconductor surface. MESFETs, fabricated by using this technology, have been optimized to match the requirements for continuous operation at high temperatures and have been successfully implemented in high temperature MMICs and operational amplifiers.
Ferdinand-Braun-Institut für Höchstfrequenztechnik, Albert-Einstein-Straße 11, D-12489 Berlin, Germany
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