Low-dielectric Constant Materials

absorption addition adhesion annealing applications atoms bonds capacitance changes characteristics characterized chemical compared composition concentration containing cured decrease density dependence deposition determined dielectric constant discussed drying effect electrical electron etch evaporation exhibit Figure films deposited flow fluorine formed frequency FTIR function glass groups heating higher hydrogen imidization improved increasing indicates integrated interconnect interface layer lines loss lower materials measured mechanical metal mode moisture observed obtained oxide Parylene peak PECVD performed PFCB plasma polyimide polymers precursor prepared presented pressure Proc properties PTFE range ratio reaction reduced relative reported resistance sample sccm shown shows silica silicon similar SiO2 SiOF films Solid solution solvent spectra strength stress structure substrate surface Table Teflon temperature thermal stability thickness thin films transition treatment values Volume wafer weight xerogel