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Article: Monitoring Thin-Film Deposition: The Workhorse Sensor Crystal.(Brief Article)
- Article from:
- R & D
- Article date:
- April 1, 2001
- Author:
CopyrightCOPYRIGHT 2001 Advantage Business Media. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Quartz crystal thickness monitoring technology has been stretched to meet more rigorous thin-film deposition needs.
Thin-film deposition describes the process by which a thin layer of material--metal, a molecular species, or other--is deposited on a flexible or rigid surface. The former might include Mylar or plastic film; the latter a glass or other substrate. Silicon dioxide, titanium dioxide, and magnesium fluoride are typically deposited on transparent or glass substrates and become optical coatings. Metal depositions can be used to build electrical connections or products as diverse as metallized windows, or to coat Mylar film.
The deposition ...