Apparatus and method for isolating optics from thermal expansion
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United States of America Patent
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May 3, 2005
Grant Date -
Oct 7, 2004
app pub date -
Apr 3, 2003
filing date -
Apr 3, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus that reduces convergence and focus drift in imager prism assemblies includes at least one assembly having a first side and a second side. The first side communicates with a first isolator inner surface and a second side communicates with a second isolator inner surface. An outer surface of the first isolator communicates with a first member of a frame. An outer surface of the second isolator communicates with a top side of a damping member. A bottom side of the damping member communicates with a second member of the frame. There is at least one guide pin located through the first isolator and the first member. A first adhesive secures the first side to the first isolator inner surface and the first adhesive secures the second side to the second isolator inner surface. A second adhesive secures the first isolator outer surface to the first member and the second adhesive secures the second isolator outer surface with the top side. A third adhesive secures the bottom side to the second member and a bottom end of the first and second isolator communicates with a plate.
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