Exposure apparatus

Photocopying – Projection printing and copying cameras – Step and repeat

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C355S072000, C355S075000, C378S034000, C378S035000, C250S492200, C356S400000

Reexamination Certificate

active

11449812

ABSTRACT:
An exposure apparatus which exposes substrates to a pattern on a master. The apparatus includes first, second and third chucks which hold the substrates, a first fine adjustment stage which holds the first chuck to perform fine driving, a second fine adjustment stage which holds the second chuck to perform fine driving, a coarse adjustment stage on which the first and second fine adjustment stages are mounted and which can move in an X-Y plane substantially perpendicular to an optical axis, an exposure unit which performs exposure operation for the substrate held by the first chuck, a measurement unit which performs measurement operation for the substrate held by the second chuck, and a controller which drives the coarse adjustment stage and causes the measurement and exposure units to perform the measurement and exposure operations, respectively.

REFERENCES:
patent: 4496239 (1985-01-01), Isohata et al.
patent: 4659227 (1987-04-01), Sato et al.
patent: 4747608 (1988-05-01), Sato et al.
patent: 4870288 (1989-09-01), Abuku et al.
patent: 5270771 (1993-12-01), Sato
patent: 5499099 (1996-03-01), Sato et al.
patent: 5504407 (1996-04-01), Wakui et al.
patent: 5511930 (1996-04-01), Sato et al.
patent: 5585925 (1996-12-01), Sato et al.
patent: 5608492 (1997-03-01), Sato
patent: 5715064 (1998-02-01), Lin
patent: 5753926 (1998-05-01), Sato
patent: 5757149 (1998-05-01), Sato et al.
patent: 5993081 (1999-11-01), Itoh et al.
patent: 6341007 (2002-01-01), Nishi et al.
patent: 6400441 (2002-06-01), Nishi et al.
patent: 6437463 (2002-08-01), Hazelton et al.
patent: 6549269 (2003-04-01), Nishi et al.
patent: 6590634 (2003-07-01), Nishi et al.
patent: 6590636 (2003-07-01), Nishi
patent: 6778258 (2004-08-01), del Puerto et al.
patent: 6819404 (2004-11-01), Tanaka
patent: 2003/0002021 (2003-01-01), Sato
patent: 2004/0032575 (2004-02-01), Nishi et al.
patent: 2004/0165172 (2004-08-01), Poon et al.
patent: 2005/0005702 (2005-01-01), Osuga
patent: 2005/0236908 (2005-10-01), Rivin
patent: 10-163098 (1998-06-01), None
patent: 3045947 (2000-03-01), None
patent: WO 98/28665 (1998-07-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Exposure apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Exposure apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Exposure apparatus will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3817466

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.