4 June 2013 Spinel domes with integrated electromagnetic interference protection
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Abstract
Magnesium aluminate spinel is a durable electro-optical material with high visible through mid-IR transmission. Technology Assessment and Transfer (TA and T) reports on their efforts to integrate electromagnetic interference protection into spinel domes through the use of metallic grids. TA and T is developing an approach to embed noble metal EMI grids in spinel domes by encapsulating the grid with a germanate glass that has matching refractive index and coefficient of thermal expansion to spinel. Achievements to date and an outlook on this method as a viable manufacturing route are presented.
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Todd Heil, Greg Slavik, Alex Smith, Jeffrey Kutsch, Lynda Renomeron, Igor Vesnovsky, Al LaRoche, Larry Fehrenbacher, Mark Somers, Joseph McLellan, Brian Mayers, "Spinel domes with integrated electromagnetic interference protection", Proc. SPIE 8708, Window and Dome Technologies and Materials XIII, 87080Y (4 June 2013); doi: 10.1117/12.2015826; https://doi.org/10.1117/12.2015826
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