Thick film technology is used to produce electronic devices such as surface mount devices, hybrid integrated circuits and sensors. The manufacture of such devices typically entails the deposition of several successive layers onto an electrically insulating substrate using a screen-printing process. In this book, the authors present topical research in the study of the properties, technology and applications of thick films, including the impact of thick film technology on the development of electrochemical sensors; transport and chemical processes for semiconductor silicon epitaxial film formation; production of thick titanium oxide films by anodic oxidation; the thermo-optical properties of colorless and transparent polyimide nanocomposite films; compatability of thick-film piezo-resistors with different LTCC materials and the three terminal structure for thick microcrystalline Si solar cells.