Device and method for reducing a wedge error
US9194700B2 · kind B2 · utility
22Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 3, 2010 |
| Grant date | Nov 24, 2015 |
| Priority date | — |
| Expiry date | Dec 13, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/0002
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for aligning a first surface of a first substrate with a second surface of a second substrate as the first and the second surfaces move toward each other across a gap. The device is comprised of:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.