Patent · US Active

Cleaning formulations for removing residues on semiconductor substrates

US10533146B2 · kind B2 · utility

7Cited by
3References
64Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 5, 2017
Grant dateJan 14, 2020
Priority date
Expiry dateDec 8, 2037

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D2111/22
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

This disclosure relates to a cleaning composition that contains 1) at least one redox agent; 2) at least one organic solvent selected from the group consisting of water soluble alcohols, water soluble ketones, water soluble esters, and water soluble ethers; 3) at least one metal-containing additive; and 4) water.

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