Correction member, retainer, exposure apparatus, and device...

Details Correction member, retainer, exposure apparatus, and device... Correction member, retainer, exposure apparatus, and device...

2005-06-21

2005-06-21

Fuller, Rodney (Department: 2851)

Photocopying

Projection printing and copying cameras

Detailed holder for original

C355S067000, C355S072000, C359S818000, C359S819000, C359S823000

Reexamination Certificate

active

06909493

ABSTRACT:
A correction member for correcting a gravity deformation of an optical element includes a first unit for applying an elastic force to the optical element substantially in an anti-gravity direction, and a second unit, arranged opposite to the first unit through the optical element, for applying an elastic force to the optical element substantially in a gravity direction.

REFERENCES:
patent: 6239924 (2001-05-01), Watson et al.
patent: 6400516 (2002-06-01), Spinali
patent: 2001-74991 (2001-03-01), None
patent: 2001-284226 (2001-10-01), None

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