Patent · US Active

Polishing slurry composition

US12187919B2 · kind B2 · utility

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11Claims
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Key dates

Filing dateDec 16, 2021
Grant dateJan 7, 2025
Priority date
Expiry dateJan 15, 2043

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/304
  • WIPO fieldMicro-structural and nano-technology
  • WIPO sectorChemistry

Abstract

A polishing slurry composition is provided. The polishing slurry composition includes polishing particles, a first polishing inhibitor containing a hydrophobic amino acid, and a second polishing inhibitor containing a cyclic polymer, and the first polishing inhibitor and the second polishing inhibitor are different.

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