Alignment apparatus and alignment method
US7643144B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 14, 2007 |
| Grant date | Jan 5, 2010 |
| Priority date | — |
| Expiry date | Sep 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.