OPTICAL SURFACE FORMATION METHOD, METHOD FOR MANUFACTURING ETCHING SUBSTRATE FOR MANUFACTURING OPTICAL DEVICE, METHOD FOR MANUFACTURING OPTICAL DEVICE, PRESSING DIE, ETCHING SUBSTRATE, OPTICAL DEVICE AND OPTICAL APPARATUS

摘要

PROBLEM TO BE SOLVED: To achieve a new optical surface formation method including a combination of a photocurable resin and etching.;SOLUTION: There is provided an optical surface formation method for forming one or more two-dimensional regions formed of array of fine projections as optical surfaces, on the surface of a substrate 10 formed of an optical material which includes a resin layer formation step, a pressing step, a resin curing step, a releasing step and an etching step, where in the pressing step, a section HB1 for preventing sinkage caused by transfer of an outer frame region transfer surface TCD1 is formed so as to have a height HA higher than a height H0 from the surface of the substrate of a base of a projection on which a shape of an optical transfer surface has been transferred.;SELECTED DRAWING: Figure 4;COPYRIGHT: (C)2017,JPO&INPIT