Dependence of Kind of Solvents for Washing on Surface of Rubbed Polyimide Film
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概要
- 論文の詳細を見る
We report effects of washing rubbed polyimide film on the near surface. Especially we focused dependence of solvent. Rubbed polyimide films have been used as liquid crystal alignment films in Liquid crystal displays (LCDs), and in actual LCD panel fabrication washing on film surfaces after rubbing is essential process to remove dust and pollution. We investigated the effects of washing by grazing incidence X-ray diffraction (GIXD) measurements. In GIXD, the X-ray penetration into the polymer was changed from 8nm (suface sensitive) to 4nm (bulk sensitive) by variation of the X-ray incidence angle. It was found that crystallization near the surface induced by soaking was considerably dependent on solvent. However, in-plane distribution of the surface polymer chains of polyimide film was not found to be dependent on the solvents.
- (社)電子情報通信学会の論文
- 2008-10-01
著者
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Hirosawa Ichiro
Japan Synchrotron Radiation Research Institute
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Hirosawa Ichiro
Japan Synchrotron Radiation Res. Inst. (jasri) Hyogo Jpn
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Sakai Takahiro
Nissan Chemical Industries. Ltd.
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Koganezawa Tomoyuki
Japan Synchrotron Radiation Research Institute
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