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22 January 2007 High-performance silicon scanning mirror for laser printing
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Abstract
This paper describes the design, fabrication, and characterization of the first MEMS scanning mirror with performance matching the polygon mirrors currently used for high-speed consumer laser printing. It has reflector dimensions of 8mm X 0.75mm, and achieves 80o total optical scan angle at an oscillation frequency of 5kHz. This performance enables the placement of approximately 14,000 individually resolvable dots per line at a rate of 10,000 lines per second, a record-setting speed and resolution combination for a MEMS scanner. The scanning mirror is formed in a simple microfabrication process by gold reflector deposition and patterning, and through-wafer deep reactive-ion etching. The scanner is actuated by off-the-shelf piezo-ceramic stacks mounted to the silicon structure in a steel package. Device characteristics predicted by a mathematical model are compared to measurements.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Wyatt O. Davis, Dean Brown, Mark Helsel, Randy Sprague, Greg Gibson, Arda Yalcinkaya, and Hakan Urey "High-performance silicon scanning mirror for laser printing", Proc. SPIE 6466, MOEMS and Miniaturized Systems VI, 64660D (22 January 2007); https://doi.org/10.1117/12.700849
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