| 摘要 |
A method of manufacturing a microlens substrate 10 is provided. The microlens substrate 10 is provided with a plurality of microlenses 8. The method includes the steps of: preparing a substrate 101 with concave portions having two major surfaces, each of the plurality of concave portions 3 having a shape corresponding to that of each of the plurality of microlenses 8 being formed on one of the two major surfaces of the substrate 101 with concave portions; preparing a base material substrate 102′ mainly formed of a resin material, the base material substrate 102′ having two major surfaces; and pressure-joining the substrate 101 with concave portions to the base material substrate 102′ in a heating state. In this case, in the pressure-joining step, the substrate 101 with concave portions is joined to the base material substrate 102′ so that the plurality of concave portions 3 are filled with the resin material of the base material substrate 102′ which has been melted by the heat.
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