Patent · US Expired

Method of mirror-finishing a glass substrate

US6287175A · kind A · utility

7Cited by
8References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 21, 2000
Grant dateSep 11, 2001
Priority date
Expiry dateJun 21, 2020

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B5/7085
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A mirror-finishing method embodying this invention, with which the above and other objects can be accomplished, may be characterized as comprising the step of supplying a solution containing hydroxyl groups on a target surface to be polished of a glass substrate while simultaneously pressing onto this target surface an elastic sponge material having abrading particles affixed therein and a plurality of indentations on a polishing surface thereof, and causing the substrate and the sponge material to move with respect to each other.

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