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Publication
MRS Fall Meeting 1998
Talk
Plasma polymerization of low dielectric constant fluoro-hydrocarbon film
Abstract
Low dielectric constant fluoro-hydrocarbon polymer films were deposited using an electron cyclotron resonance (ECR) plasma source with pentafluorostyrene as a precursor. The pentafluorostyrene is a cyclic liquid monomer with relative high vapor pressure. The chemical structure of the deposited films were characterized by X-ray photoelectron spectroscopy, infrared spectroscopy and Rutherford backscattering spectroscopy. The structure of deposited films studies gave an insight of the fluorohydrocarbon polymer formation regarding to deposition conditions. The dielectric constant of the film was found in the range of 2.2 to 2.4. The influence of deposition conditions on chemical, physical and electrical properties of the resulting films were evaluated.