Optical: systems and elements – Mirror – Including specified control or retention of the shape of a...
Reexamination Certificate
2011-08-23
2011-08-23
Cherry, Euncha P (Department: 2872)
Optical: systems and elements
Mirror
Including specified control or retention of the shape of a...
Reexamination Certificate
active
08002420
ABSTRACT:
Optical components and systems are disclosed that include an optical element and a base member. Multiple wells correspond to respective locations on a surface of the optical element. Liquid metal in the wells is coupled to the respective locations to apply respective hydrostatic pressures to the locations. At least one displacement device is coupled to at least one well to selectively change the respective hydrostatic pressure applied, relative to the base member, by the liquid metal in the well to the respective location. The “liquid metal” is any of several formulations of metal that are liquid under actual-use conditions (e.g., a liquid alloy of gallium). The liquid metal can be displaced through conduits to change the hydrostatic pressure being applied to the respective locations. The displacement, and hence the hydrostatic pressure, can be feedback controlled.
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Cherry Euncha P
Klarquist & Sparkman, LLP
Nikon Corporation
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