Basics of RF acceleration; why superconducting cavities; simple modesl for RF supercondictivity, problems of real life with sc.
(defects,multipacting, field emission); design and production of the CERN LEP2 cavities, modules (= four cavities in one cryostat) their
couplers and tuners ; the modules in LEP with RF and cryogenics installation ; the upgrating of LEP ; outlook on future developements
and with superconducting cavities.