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Updated: Jun 16, 2026

A High Performance Impedance-based Platform for Evaporation Rate Detection
Published on: October 17, 2016
Abstract:
By conventional reactive evaporation techniques, films with a certain deviation from stochiometric composition and, therefore, increased absorptance and dielectric losses were obtained. By ionization of the residual gas a considerable increase of reactivity has been achieved. The construction of a discharge tube with a region of high current density for ionization is described. The tube was arranged inside a bell jar. The ionized gas emerged from a nozzle in the wall of the tube directly into the high vacuum region. Production parameters for SiO(2), SiO(x)N(y), and TiO(2) films were evaluated. On unheated substrates SiO(2) films, which are practically free of absorptance down to 190 nm, and TiO(2) films with refractive indices up to 2.3, were obtained.
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