Patent · US Active

Deposition of cobalt films with high deposition rate

US10559578B2 · kind B2 · utility

0Cited by
3References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 1, 2018
Grant dateFeb 11, 2020
Priority date
Expiry dateJun 1, 2038

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/76877
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

Embodiments of the invention provide methods of processing a substrate having a stack of spaced oxide layers with gaps between the oxide layers. A metallic nucleation layer is formed in the gaps and a cobalt film is deposited on the nucleation layer to form wordlines.

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