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JPS54883A Expired / Lapsed JP ⏱️ 0.0 years remaining

Manufacture of field effect transistor

Assignee: Fujitsu Ltd
•
Filing: 1977-06-03
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Granted: —
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Expires: 1997-06-03
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Abstract

Abstract PURPOSE: To enhance the characteristics at the high frequency region, by covering part of the upper surface of the concave groove provided to the semiconductor substrate with a metal layer and then forming the insulator and the gate metal layer only at the bottom part of the concave groove through the evaporation given from the olbique direction in case a channel region is formed to the inner circumference surface of the concave groove. COPYRIGHT: (C)1979,JPO&Japio

Inventors

  • 👤 Toshio Usui

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-06 13:40
CPC Classifications
—

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