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

C355S030000

Reexamination Certificate

active

07050152

ABSTRACT:
An exposure apparatus for exposing an object put on a first stage by irradiating light from a light source onto the object through an exposure optical system includes a partition for isolating a first space where the first stage is arranged and isolating a second space where the exposure optical system is arranged, a first management part that manages a degree of vacuum of the first space, and a second management part that manages a degree of vacuum of the second space.

REFERENCES:
patent: 6198792 (2001-03-01), Kanouff et al.
patent: 6333775 (2001-12-01), Haney et al.
patent: 6707529 (2004-03-01), Aoki et al.
patent: 6791661 (2004-09-01), Sato
patent: 6842221 (2005-01-01), Shiraishi
patent: 7-263322 (1995-10-01), None
patent: 2002-529927 (2002-09-01), None
patent: 00/28384 (2000-05-01), 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-3605114

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