| 摘要 |
PURPOSE:To impart high sealability to a fluororesin film and enable the film to be used as a sealing material even under severe conditions. CONSTITUTION:A tetrafluoroethylene film 13 is irradiated with high speed oxygen atoms 11 generated from an atomic oxygen generator I to seal the small holes of the film 13 by the oxidative reaction of the atomic oxygen 11. |
