Preparation method of nanoimprint hard templates
A technology of nano-imprinting and hard template, applied in the direction of photo-engraving process of pattern surface, opto-mechanical equipment, originals for opto-mechanical processing, etc., can solve the problems of low efficiency, unrealistic, fragile and so on
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[0030] Example 1
[0031] 1. Firstly, a two-step electrochemical anodization method is used to prepare a regular anodic aluminum oxide AAO template with adjustable size, namely, pore diameter, pore spacing, and pore depth in a 0.1-0.5mol / L oxalic acid solution. The anode voltage is 40-50V. The temperature is 0~15℃, the first oxidation time is 2 hours, and the second oxidation time is 3~5 minutes. After two steps of oxidation, the mass concentration of H is 5%. 3 PO 4 Reaming in the process to obtain the required size AAO template such as figure 1 (a) shown;
[0032] 2. Secondly, under a standard atmospheric pressure and normal temperature, the AAO template is vapor-deposited in a steam atmosphere of perfluorooctyl-trichlorosilane for 80-100 minutes, and then baked at 100℃ for 13-15 minutes. The surface of the template A dense organic molecular layer is formed. This thin film makes the surface of the template have a very low surface energy, about 12 dynes / cm. figure 1 (b) is a schem...
Example Embodiment
[0038] Example 2
[0039] 1. Firstly, a two-step electrochemical anodization method is used to prepare a regular anodic aluminum oxide AAO template with adjustable size, namely, pore diameter, pore spacing, and pore depth in a 0.1-0.5mol / L oxalic acid solution. The anode voltage is 40-50V. The temperature is 0~15℃, the first oxidation time is 2 hours, and the second oxidation time is 3~5 minutes. After two steps of oxidation, the mass concentration of H is 5%. 3 PO 4 Reaming in the process to obtain the required size AAO template such as figure 1 (a) shown;
[0040] 2. Secondly, under a standard atmospheric pressure and normal temperature, the AAO template is vapor-deposited in a steam atmosphere of perfluorooctyl-trichlorosilane for 80-100 minutes, and then baked at 100℃ for 13-15 minutes. The surface of the template A dense organic molecular layer is formed. This thin film makes the surface of the template have a very low surface energy, about 12 dynes / cm. figure 1 (b) is a schem...
Example Embodiment
[0046] Example 3
[0047] 1. Firstly, a two-step electrochemical anodization method is used to prepare a regular anodic aluminum oxide AAO template with adjustable size, namely, pore diameter, pore spacing, and pore depth in a 0.1-0.5mol / L oxalic acid solution. The anode voltage is 40-50V. The temperature is 0~15℃, the first oxidation time is 2 hours, and the second oxidation time is 3~5 minutes. After two steps of oxidation, the mass concentration of H is 5%. 3 PO 4 Reaming in the process to obtain the required size AAO template such as figure 1 (a) shown;
[0048] 2. Secondly, under a standard atmospheric pressure and normal temperature, the AAO template is vapor-deposited in a steam atmosphere of perfluorooctyl-trichlorosilane for 80-100 minutes, and then baked at 100℃ for 13-15 minutes. The surface of the template A dense organic molecular layer is formed. This thin film makes the surface of the template have a very low surface energy, about 12 dynes / cm. figure 1 (b) is a schem...
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