Erecting equal-magnification lens array plate, and image writing device and image reading apparatus using erecting equal-magnification lens array plate, and method of manufacturing the lens array plate

摘要

I provide the erecting equal-magnification lens array plate of large area or long with little degradation of optical performance. Lens array plate 10 of the elongated type based on the production method of the present invention is formed by bonding the longitudinal direction having a plurality of lens sections which are regularly arranged, the lens array plate 1 Multiple is. It is formed in a linear shape at a position that does not include a plurality of lens portions, the joint portion 3, and can form an erecting magnification lens array plate in the long form of any length.