@article{oai:nagoya.repo.nii.ac.jp:00005603,
 author = {Kaneko, K. and Hori, T. and Nakane, E. and Kondo, H. and Mizutani, T.},
 journal = {IEEE International Conference on Solid Dielectrics},
 month = {Jul},
 note = {Space charge distributions in polyimide films strongly depend upon electric field, temperature, water content and so on. When a low dc field was applied, positive and negative homo space charges were observed near the respective electrodes. When the applied field was higher than 30 MV/m, additional positive and negative hetero space charges were also observed. The amounts of these charges depended upon applied field. The temperature dependence of the amounts of homo space charge showed a thermally-activated process. After drying by the heat treatment, the homo space charges were much reduced at 296 K and at 333 K. This suggests that the charge injections from the electrodes are strongly affected by absorbed water. The hetero space charges were not affected by drying. After short-circuiting, the homo space charges quickly decreased but the hetero space charges were very stable.},
 pages = {150--153},
 title = {Space Charge Behavior of  Polyimide Film},
 year = {2004}
}