Industrial applications of FTIR spectroscopy

Hideyuki Ishida

doi:10.1117/12.166789

31 January 1994 Industrial applications of FTIR spectroscopy

Hideyuki Ishida

Proceedings Volume 2089, 9th International Conference on Fourier Transform Spectroscopy; (1994) https://doi.org/10.1117/12.166789
Event: Fourier Transform Spectroscopy: Ninth International Conference, 1993, Calgary, Canada

Abstract

The position and advantages of FT-IR among other analytical techniques are discussed, especially in the surface and microanalyses. Two typical examples of FT-IR applications being done recently in our laboratories are presented. Molecular orientation and surface morphology of mechanically rubbed polyimide films used for the alignment layer of liquid crystal display have been extensively studied by FT-IR, ellipsometry and atomic force microscope (AFM). Molecular orientation of rubbed polyimide films tends to saturate with increasing the rubbing density, while the surface roughness is proportional to the rubbing density. A good relationship has been found between IR dichroic ratios and pretilt angle of liquid crystal molecules. Kinetic behavior of a fast photochemical reaction of quinone diazide-type photoresist has been followed directly by a rapid-scan FT-IR.

Citation Download Citation

Hideyuki Ishida "Industrial applications of FTIR spectroscopy", Proc. SPIE 2089, 9th International Conference on Fourier Transform Spectroscopy, (31 January 1994); https://doi.org/10.1117/12.166789

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