Rod lens array unit, production method of rod lens array unit, LED print head, image sensor head, image forming apparatus, and image reader
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United States of America Patent
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Nov 7, 2017
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app pub date -
Feb 19, 2016
filing date -
Mar 31, 2015
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Abstract
A rod lens array unit includes at least a rod lens array that includes a plurality of rod lenses arranged in a line, each of the rod lenses having an optical axis extending in an optical axis direction, and a pair of side plate parts stacked so as to sandwich the rod lens array. Wherein, end faces of the side plate parts in the optical axis direction of the rod lens array are positioned inside an end face of the rod lens array in the optical axis direction.
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