Patent · US Active

Methods for selective deposition utilizing n-type dopants and/or alternative dopants to achieve high dopant incorporation

US11557474B2 · kind B2 · utility

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2,216References
14Claims
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Key dates

Filing dateJul 17, 2020
Grant dateJan 17, 2023
Priority date
Expiry dateSep 11, 2040

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/0262
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A method for forming a doped layer is disclosed. The doped layer may be used in a NMOS or a silicon germanium application. The doped layer may be created using an n-type halide species in a n-type dopant application, for example.

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