Early history of HEMT development

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  • HEMTの開発を振り返る
  • HEMT ノ カイハツ オ フリカエル

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Abstract

<p>In 1980, when the first High-Electron-Mobility Transistor (HEMT) was demonstrated at Fujitsu Laboratories, it was thought of as a laboratory curiosity. Its device architecture was unprecedented, requiring sophisticated material growth and device process techniques with precise control on an atomic scale, and therefore considerable difficulties were predicted for its commercialization. Five years later, however, the first commercial HEMT was introduced as a low-noise amplifier for radio telescopes. In 1987, HEMTs came into wide use in broadcast satellite receivers, and worldwide production for this application reached about 1 billion units per year. In this paper, the author describes the early history of HEMT development in the laboratories.</p>

Journal

  • Oyo Buturi

    Oyo Buturi 81 (8), 672-675, 2012-08-10

    The Japan Society of Applied Physics

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