Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Reexamination Certificate
2007-06-26
2007-06-26
Sugarman, Scott J. (Department: 2873)
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
C359S855000
Reexamination Certificate
active
11106458
ABSTRACT:
A polygon mirror structure comprising a mirror body including spherical ceramic particles, a reinforcement member for reinforcing the strength of the ceramic particles, and a polymer, and further comprising a plurality of mirror surfaces formed on a lateral surface of the mirror body, wherein as the mirror body rotates, incident light is deflected and scanned along the mirror body surfaces. The polygon mirror can be manufactured on a large scale simply by plastic molding without having to use high-precision processing. Also, since the polygon mirror includes spherical ceramic particles, it is possible to prevent deformation due to shrinkage of polymer materials after plastic molding. Further, the use of a high-strength reinforcement member increases a tensile strength, thereby enabling the polygon mirror to be efficiently used in high-speed rotation.
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Pinkney DaWayne A.
Roylance Abrams Berdo & Goodman L.L.P.
Sugarman Scott J.
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