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JPS544079A Expired / Lapsed JP ⏱️ 0.0 years remaining

Semiconductor device

Assignee: Sony Corp
•
Filing: 1977-06-10
•
Granted: —
•
Expires: 1997-06-10
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Abstract

Abstract PURPOSE:To prevent the decrease in dielectric strength between the source and the drain, by forming a V-shaped groove so that it intersect the junction surface orthogonally with the curved part on the PN junction surface of double diffusion region.

Inventors

  • 👤 Hidemi Takakuwa
  • 👤 Akiyasu Ishitani

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-10-28 16:52
CPC Classifications
H; H10; H10D; H10D30/00; H10D30/60; H10D30/64; H10D30/66; H10D30/668

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