Microtek ScanMaker i300 Specifiche Pagina 45

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DRAFT
Structure of Laser Unit (Fθ lens)
θ
θ
A B
A
* The Fθ lens corrects the dispersion of linear velocity
caused by the angle of incoming beam.
Exposure center
Polygon mirror
Fθ lens
Paper
1. The travel (distance) on the paper is different
between the light outputted from the exposure
center at the angle θand further outputted
light at the angle θ
(As shown in the illustration, length A, B)
2. The Fθ lens changes the angle of diffracted
light according to the angle of incoming beam,
and corrects the difference of travel (distance)
on the paper.
QSS-30-2
www.minilablaser.com
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