MOLD FOR MOLDING OPTICAL ELEMENT, MOLD STRUCTURE FOR MOLDING OPTICAL ELEMENT, MOLDING APPARATUS, OPTICAL ELEMENT MOLDED FROM RESIN MATERIAL, AND OPTICAL ELEMENT COMPRISING PLURALITY OF OPTICAL SURFACES

摘要

PROBLEM TO BE SOLVED: To provide a mold for molding an optical element capable of suppressing the eccentricity of a core to the utmost.;SOLUTION: In a mold for molding an optical element equipped with an optical surface having a curvature at least on one surface side thereof by injecting a molten resin material to solidify the same, a mold member forming a cavity surface for molding an optical surface is constituted of a plurality of mirror surface cores 2, 4, 6 dividing the optical surface into a plurality of surfaces and groove parts 12, 14 starting from the optical surface are provided to the mutual contact surfaces of the divided mirror surface cores.;COPYRIGHT: (C)2000,JPO