Patent · US Active

Topology-selective deposition method and structure formed using same

US12428728B2 · kind B2 · utility

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1References
16Claims
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Inventor

Key dates

Filing dateSep 5, 2022
Grant dateSep 30, 2025
Priority date
Expiry dateSep 5, 2042

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23C16/56
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A topology-selective deposition method is disclosed. An exemplary method includes depositing a first layer of material overlying a gap or feature on a substrate surface, depositing a second layer of material overlying the first layer of material, and selectively removing the first layer of material.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.