Patent · US Expired

Polishing pad

US7086932B2 · kind B2 · utility

7Cited by
15References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 11, 2004
Grant dateAug 8, 2006
Priority date
Expiry dateMay 11, 2024

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K3/1463
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

An improved polishing pad for polishing semi-conductors and other planar substrates in the presence of a slurry which optionally may contain abrasive particles is disclosed. The polishing pad comprises a non-woven fibrous component, a portion which may optionally comprise bicomponent fibers, optionally embedded within a polymer matrix component.

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