@article{oai:kanazawa-u.repo.nii.ac.jp:00045074,
 author = {瀧, 健太郎 and Taki, Kentaro and Isawa, Tatsuki and Mizoguchi, Akira},
 issue = {6},
 journal = {Journal of Photopolymer Science and Technology, フォトポリマー懇話会誌},
 month = {},
 note = {Porous polyimide is a promising low-permittivity material for reducing the attenuation of high-frequency signals. Previously, the suitability of porous polyimide films for flexible printed circuits was tested by subjecting them to cover-layering and copper plating. These treatments resulted in pore collapse and infiltration, respectively, indicating the necessity of using closed-pore films. Herein, closed-pore porous polyimide films were prepared at various CO2 gas pressures, tertiary amine methacrylate monomer concentrations, and pre-baking times, revealing the key role of pre-baking time in maximizing porosity while preserving closed pores. In contrast to our previous study, the formation of closed pores was explained by a novel mechanism featuring CO2 bubble nucleation as a key step., 金沢大学理工研究域機械工学系},
 pages = {619--625},
 title = {Controlling the Pore Structure of Polyimide Films Prepared by Exposure to High-Pressure CO2 and UV Light},
 volume = {30},
 year = {2017}
}