图像写入装置，光源，光源单元，微透镜以及微透镜的制造方法。
Image load in device, light source, light source element, microlens and manufacturing method of microlens.
详细研究了模板制备过程中的退火时间对所得微透镜的尺寸及形状的影响。
The effect of annealing time during the mold preparation process on the dimensions and shapes of the prepared microlens is investigated.
基于衍射光学原理，获得了微透镜的衍射效率与蚀刻深度误差之间的关系式。
Based on the diffraction optical principle, a formula of the diffraction efficiency and etching depth error of the microlens is obtained.
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