The experimental results are given of the two kinds of compensation plates consiting of hologram plate and photoconductive thermoplasticplate for improving image quality of the Fresnel optical lens.
给出了“全息干版”和“光导热塑片”制备的两种“补偿板”对菲涅耳透镜进行象质改善的实验结果。
2
The preparation process of the enhanced low-temperature thermoplastic material comprises the following steps: granulating, plate making, perforating, cross-linking, and the like.