Optical element module

Details Optical element module Optical element module

2008-01-17

2010-12-28

Mathews, Alan A (Department: 2882)

Photocopying

Projection printing and copying cameras

With temperature or foreign particle control

C355S053000, C355S077000, C359S811000, C359S819000, C359S820000, C359S822000

Reexamination Certificate

active

07859641

ABSTRACT:
An optical element module comprising a plurality of module components is provided. The module components comprise an optical element, an optical element holder and a contact element. The optical element has a first coefficient of thermal expansion. The optical element holder holds the optical element via the first contact element and has a second coefficient of thermal expansion, the second coefficient of thermal expansion being different from the first coefficient of thermal expansion. At least one of the module components is adapted to provide at least a reduction of forces introduced into the optical element upon a thermally induced position change in the relative position between the optical element and the optical element holder, the position change resulting from a temperature situation variation in a temperature situation of the plurality of module components.

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