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JPS54589A Expired / Lapsed JP ⏱️ 0.0 years remaining

Burying method of insulator

Assignee: Hitachi 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 flatten the surface of insulating and isolating regions by first forming a shallow polycrystalline Si layer within grooves thereafter oxidizing said layer to an insulator and further burying the recesses having been produced on the insulator surface by the use of a similar method at the time of burying the insulator within the grooves provided to a semiconductor substrate. COPYRIGHT: (C)1979,JPO&Japio

Inventors

  • 👤 Mitsuo Nanba
  • 👤 Hisayuki Higuchi

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-10-26 22:40
CPC Classifications
—

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