General Introduction.- General Introduction.- I Basic Notions.- Preparation Methods for Thin Films.- Growth Processes.- Electronic States in Semiconductors.- II Characterization.- Structure Determination of Thin Films.- Physico-chemical Analysis of Thin Films.- Thickness Measurements.- III Physical Properties.- Electronic Transport Properties.- Ionic Transport in Thin Films.- Dielectric Properties of Thin Films: Polarization and Effective Polarization.- Threshold Switching: A Discussion of Thermal and Electronic Issues.- Mechanical Properties of Non-Metallic Thin Films.- Thin Films in Optics.- Radiation Effects in Thin Films.- IV Applications.- Thin Film Applications in Microelectronics.- Application of Thin Non-Metallic Films in Optics.- Some Applications of Non-Metallic Thin Films.- List of Participants.