Optical scanning apparatus
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United States of America Patent
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Jul 19, 2005
Grant Date -
Aug 28, 2003
app pub date -
Feb 27, 2003
filing date -
Feb 28, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical scanning apparatus including an optical system of refracting an illumination light illuminated from a light source device by a scanning lens into parallel optical beams and condensing the light by a condensing lens located at a focal position of the scanning lens on an observed surface, in which the light source device has a light emission portion attached to a stage which is adjustable for the position along an XY plane in perpendicular to the optical axis of the scanning lens, with an optical axis of irradiation light being in parallel with the optical axis of the scanning lens. The apparatus being small in the size and simple in the structure, capable of easily controlling the spot position, not requiring accurate optical axis alignment and manufactured at a reduced cost.
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