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US 2016/0291215 A1Published application
Rod lens array unit, production method of rod lens array unit, led print head, image sensor head, image forming apparatus, and image reader
AssigneeOki Data Corporation
InventorTakahito SUZUKI
Life of this patent
Estimating the term…
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.
Claims16
A rod lens array unit, comprising:
- 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.
1 more element
A method for producing a rod lens array unit, the method comprising:
- respectively fixing a first side face and a second side face of a rod lens array including a plurality of rod lenses to a first side plate and a second side plate with adhesive;
- forming a first long notch that penetrates the first side plate;
- forming a second long notch that penetrates the second side plate at a position corresponding to the first long notch;
- and
- cutting the rod lens array with a cutting width narrower than either a width of the first long notch or a width of the second long notch in the second long notch.
2 more elements
Dependencies are inferred from the claim text.