Polishing pad and method of making the same
US7014549B1 · kind B1 · utility
1Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2004 |
| Grant date | Mar 21, 2006 |
| Priority date | — |
| Expiry date | Dec 14, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S451/921
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A polishing pad for polishing curved surfaces has a pad element having an axis, a central opening adjoining the axis and forming an inner edge, and an outer peripheral edge, first engaging means provided on the outer peripheral edge for engaging an outer periphery of a curved supporting body, and second engaging means provided on the inner edge of the pad element and engageable with a central opening of the curved supporting body, the first and second engaging means being harder than the pad element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.