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Thickness of Crystalline Layer of Rubbed Polyimide Film Characterized by Grazing Incidence X-ray Diffractions with Multi Incident Angles

Ichiro HIROSAWA, Tomoyuki KOGANEZAWA, Hidenori ISHII

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Summary :

Thickness of crystalline layer induced by annealing after rubbing at surface of polyimide film for liquid crystal displays was estimated to be 3–5 nm by grazing-incidence X-ray diffractions with multi incident angles. Agreement of thickness of crystalline layer with that of initially oriented layer suggests polymer orientation induced by rubbing proceeds crystallization by annealing. Furthermore, no in-plane smectic ordering in bottom 20 nm region of polyimide film was suggested.

Publication
IEICE TRANSACTIONS on Electronics Vol.E97-C No.11 pp.1089-1092
Publication Date
2014/11/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E97.C.1089
Type of Manuscript
BRIEF PAPER
Category

Authors

Ichiro HIROSAWA
  Japan Synchrotron Radiation Reseach Institute
Tomoyuki KOGANEZAWA
  Japan Synchrotron Radiation Reseach Institute
Hidenori ISHII
  Nissan Chemical Industries Ltd.

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