Patent · US Active

Alignment apparatus and alignment method

US7643144B2 · kind B2 · utility

4Cited by
0References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 14, 2007
Grant dateJan 5, 2010
Priority date
Expiry dateSep 14, 2027

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2002/14362
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An adjusting unit for making positional adjustment of the optical axis adjustment mask, based on the observation by the one optical unit, such that the reference mark at the one location or the other location and the optical axis adjusting alignment mark corresponding positionally thereto are superposed, and for making optical axis adjustment of the other optical axis, based on the observation by the other optical unit, such that the reference mark at the one location or the other location and the optical axis adjusting alignment mark corresponding positionally thereto are superposed.

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