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JPS548985A Expired / Lapsed JP ⏱️ 0.0 years remaining

Semiconductor device

Assignee: NEC Corp
•
Filing: 1977-06-22
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Granted: —
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Expires: 1997-06-22
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Abstract

Abstract PURPOSE: To improve the dielectric strength of a junction by the constitution in which a reversely-conductive region to a semi-conductor substrate as the source region or drain region of a MOS transistor is made several μm or more away from the guard ring layer of the same conductive direction as and higher in impurity density than the substrate and the region is not provided under the gate electrode. COPYRIGHT: (C)1979,JPO&Japio

Inventors

  • 👤 Hiroo Wakaumi

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-10-29 06:53
CPC Classifications
—

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