简介:Severalmethodsforinvestigatingthethicknessuniformityofpolymerthinfilmsarepresentedaswellastheirmeasurementprinciples.Acomparisonoftheseexperimentalmethodsisgiven.Thecylindricallightwavereflectionmethodisfoundtocanobtainthethicknessdistributionalongacertaindirection.Itisasimpleandsuitablemethodtoevaluatethefilmthicknessuniformity.