Patent · US Expired

Polishing method and polishing device

US6332830A · kind A · utility

19Cited by
8References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 24, 2000
Grant dateDec 25, 2001
Priority date
Expiry dateMar 24, 2020

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB24D9/08
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A polishing method and a polishing apparatus that are for making contact pressure between a work and a polishing pad substantially uniform within surfaces to obtain a work having good quality. A turn table (2) is supported by a grooved surface of a turn table receiving member (3b), the grooved surface being provided with grooves (9b) in a straight direction, a work (W) is pressed against a polishing pad (8) adhered to the turn table (2) while flowing polishing slurry, and a polishing is carried out by rotating the work (W) and the turn table (2).

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