Title: Comparative study of coating thickness determination in packaging composite materials using photothermal radiometry, photoacoustic and photopyroelectric methods
Authors: Chirtoc, Mihai
Gibkes, J
Walther, HG
Christ, A
Antoniow, JS
Bicanic, D
Bozoki, Z
Szabo, G
Bein, B
Pelzl, J
Kleebauer, M
Bader, H
Marinelli, M #
Issue Date: 2001
Series Title: Analytical Sciences vol:17 Special Iss. SI pages:S185-S188
Abstract: Thickness measurements of transparent coatings on polymer, paper or metallic substrates used as packaging materials are reported. It is shown that thickness evaluations in the range between 1 and 75 mum are feasible by contact photothermal techniques (photoacoustics (PA), photopyroelectric (PPE) method), as well as by non-contact ones (photothermal radiometry (PTR)). The importance of signal normalization using appropriate reference samples and that of correction by background substraction is particularly stressed
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Soft Matter and Biophysics
# (joint) last author

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