Patent · US Active

Device and method for reducing a wedge error

US9194700B2 · kind B2 · utility

22Cited by
1References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 3, 2010
Grant dateNov 24, 2015
Priority date
Expiry dateDec 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.