Atmospheric Pressure Plasma for Surface Modification by Rory A. Wolf

By Rory A. Wolf

This Book’s concentration and cause is to impart an knowing of the sensible program of atmospheric plasma for the development of a variety of present and rising applied sciences. the first key function of this publication is the advent of over 13 years of functional experimental proof of winning floor transformations by means of atmospheric plasma equipment. It deals a handbook-based process for leveraging and optimizing atmospheric plasma applied sciences that are at the moment in advertisement use. It additionally deals an entire therapy of either uncomplicated plasma physics and business plasma processing with the goal of changing into a first-rate reference for college kids and professionals. 

The reader will examine the mechanisms which regulate and function atmospheric plasma applied sciences and the way those applied sciences will be leveraged to enhance in-line non-stop processing of a large choice of substrates. Readers will achieve an figuring out of particular floor amendment results via atmospheric plasmas, and the way to most sensible signify these transformations to optimize floor cleansing and functionalization for adhesion promotion. 

The e-book additionally contains a sequence of chapters written to handle useful floor amendment results of atmospheric plasmas inside particular program markets, and a commercially-focused overview of these effects.

Chapter 1 Plasma — The Fourth country of topic (pages 1–25):
Chapter 2 Plasmas for floor amendment (pages 27–53):
Chapter three Atmospheric Plasma floor amendment results (pages 55–79):
Chapter four Characterization tools of Atmospheric Plasma floor ameliorations (pages 81–108):
Chapter five Atmospheric Plasma amendment of Roll?to?Roll Polymeric Surfaces (pages 109–120):
Chapter 6 Atmospheric Plasma amendment of Three?Dimensional Polymeric Surfaces (pages 121–137):
Chapter 7 Atmospheric Plasma amendment of fabric Surfaces (pages 139–154):
Chapter eight Atmospheric Plasma amendment of Paper Surfaces (pages 155–166):
Chapter nine Atmospheric Plasma amendment of steel Surfaces (pages 167–179):
Chapter 10 Atmospheric Plasma floor Antimicrobial results (pages 181–194):
Chapter eleven monetary and Ecological issues (pages 195–203):
Chapter 12 rising and destiny Atmospheric Plasma functions (pages 205–223):
Chapter thirteen financial and Environmental review (pages 225–234):

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As it is a dry process which utilizes process gases like other low-pressure regimes, there are no significant safety or disposal issues associated with the use of other processes which employ toxic, wet chemistries. As another in-chamber process, surface treatment takes place in a vacuum and is precisely controllable, so variations in results are not typically seen. Microwave discharge plasmas which are generated at low pressure have many industrial applications, most particularly within semiconductor component processes, for etching and deposition because these plasmas promote high chemical reactivity and are relatively clean.

These contaminations may exist in the form of residues, mold release agents, antioxidants, carbon residues or other organic compounds. 46 ATMOSPHERIC PRESSURE PLASMA FOR SURFACE MODIFICATION The use of oxygen with atmospheric plasma systems has been determined to be excellent for removing organics and is commonly used for this purpose. Oxygen plasma causes a chemical reaction with surface contaminants resulting in their volatilization and removal from the plasma treatment zone. Control of the atmospheric plasma process parameters are key to ensuring that organics are completely removed since it is possible to modify the contamination instead of removing it, and thus still have a barrier layer which will cause adhesion failure.

4 Enercon universal corona discharge system. 5 Ceramic corona discharge electrodes. 6 Metal "shoe-type" corona discharge electrode. electrode pair becomes stronger than the breakdown voltage of the air in the air gap. Ultimately, a non-uniform and weakly ionized nonthermal corona discharge is generated. 7 Metal "fin-type" corona discharge electrode. when the electrode with the most curvature is connected to the positive terminal of power supply, and "negative coronas" when this same electrode is connected to the negative terminal of power supply.

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