From 06/23/2015 through 1/18/2013
Chemical Vapor Deposition (CVD)
Coated Cutting Tools
Coated Fiber Optics
Coatings: Controlled Release: Drugs
1. “A coating is a covering that is applied to the surface of an object, usually referred to as the substrate. In many cases coatings are applied to improve surface properties of the substrate, such as appearance, adhesion, wetability, corrosion resistance, wear resistance, and scratch resistance. Some new coatings formulated using nanotechnology promise to create long-term surface protection. In other cases, in particular in printing processes and semiconductor device fabrication (where the substrate is a wafer), the coating forms an essential part of the finished product.
Coating and printing processes involve the application of a thin film of functional material to a substrate, such as paper, fabric, film, foil, or sheet stock. This article discusses what is frequently termed "roll-to-roll" or "web-based" coating. A roll of substrate, when wound through the coating machine, is typically called a web.
Coatings may be applied as liquids, gases or solids. Coatings can be measured and tested for proper opacity and film thickness by using a drawdown card.”
(Coatings, Wikipedia, 3/13/2013)
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Roger D. Corneliussen
Maro Polymer Links
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Copyright 2013 by Roger D. Corneliussen.
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* Date of latest addition; date of first entry is 1/18/2013.