Glossary of surface technology Home Process technology Glossary Photoresist Photoresist , a liquid or solid film which can be developed after exposure to preferably UV light . Positive photoresists ar
surfaces PWIS-free. To check the surfaces after cleaning and before painting, Diener electronic developed a PWIS test set . The Diener PWIS test set for checking the wettability
light-weight electrons follow the electric field while the heavy inert ions cannot follow. They remain almost immobile and cold. Each time positive voltage is applied to the working electrode, electrons collide
Glossary of surface technology Home Process technology Glossary Polyvinyl fluoride (PVF) Polyvinyl fluoride (PVF) Polyvinyl fluoride (PVF) has practically the same structure as PVC . Just the halogen
technology Glossary Recombination Recombination Reversal of the ionisation by the bonding of free electrons with positive ions . During recombination, the energy invested for ionisation is released again
Glossary of surface technology Home Process technology Glossary Oxygen Oxygen Chemical element with the atomic number 8, i.e. divalent. Highly reactive, thus a part of very many compounds. In its elem
ultra-fine structures. These outstanding properties make parylene a preferred coating material for electronic components that are subject to special requirements in terms of operational safety, resistance [...] to ageing, weathering and chemicals. A major application of parylene is coating high sensitive electronic devices for protection against enviromental influences General production process of parylene coats
air. The carbon can form polymer chains via one or two bonds and then still has 2 or 3 valence electrons available to form further bonds. However, there are also polymers or macromolecules which are not
Glossary of surface technology Home Process technology Glossary Polyolefines Polyolefines Polyolefines are plastics based on pure hydrocarbons and thus exhibit very small changes to the fossil oil and
Glossary of surface technology Home Process technology Glossary Precursor Precursor Starting substance for a chemical reaction. In plasma technology, a gas or a liquid substance which passes to the ga