Method of and preventing focal plane anomalies in the focal...

Photocopying – Projection printing and copying cameras – Distortion introducing or rectifying

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C355S055000

Reexamination Certificate

active

07068349

ABSTRACT:
To reduce and prevent local field anomalies created localized thinning of the coating of optical elements in the apparatus. The projection system is flood exposed to an intense beam of radiation for a substantial period of time. As the rate of thinning of the coating decreases with time, a uniform coating results.

REFERENCES:
patent: 4342917 (1982-08-01), Buckley
patent: 5636005 (1997-06-01), Yasuzato
patent: 6163365 (2000-12-01), Takahashi
patent: 6268904 (2001-07-01), Mori et al.
patent: 6339505 (2002-01-01), Bates
patent: 6441963 (2002-08-01), Murakami et al.
patent: 6480261 (2002-11-01), Cooper et al.
patent: 6522391 (2003-02-01), Katakura et al.
patent: 6770420 (2004-08-01), Dietliker et al.
patent: 6859260 (2005-02-01), Nelson et al.
patent: 6894766 (2005-05-01), West et al.
patent: 2004/0135980 (2004-07-01), Hill
D.L. Spears, High Resolution Pattern Replication Using Soft X-Rays, Feb. 24, 1972, Electronics Letters, vol. 8 No. 4, pp. 102-104.

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

Method of and preventing focal plane anomalies in the focal... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of and preventing focal plane anomalies in the focal..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of and preventing focal plane anomalies in the focal... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3700911

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