Thin films

20140506-36
Optical and Structural Investigations of WOx Thin Films Deposited by Electron Beam Evaporation Process
Katia Vutova, Vania Vassileva, Alexander Stoimenov, Elena Koleva, Tatyana Ivanova, Georgi Bodurov, Kostadinka Gesheva, Georgi Mladenov

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Thin films of tungsten oxide are obtained at different technological parameters using electron beam evaporation process. Their optical and structure properties are investigated and the relation with process parameters is discussed. ...  read more

20140506-35
Surface Engineering Improvements and Opportunities with Electron Beams
Thomas M. Pinto, Anita L. Buxton, Kevin Neailey, Stuart Barnes

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Recent developments at TWI in electron beam technology demonstrate how an electron beam used at lower power may be employed for a variety of purposes including a novel process, Surfi-Sculpt®. Surfi-Sculpt can neither be described ...  read more

20140506-34
Surface Layer Modification by Large-Area Pulsed Electron Beams
Renate Fetzer, Alfons Weisenburger, Georg Mueller

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In liquid metal technology, steel corrosion is a well-known problem. Dissolution of alloying elements into the liquid metal is prevented by the formation of a protective oxide layer on the steel surface. However, in high temperature ...  read more

20140506-33
Electron Beam Heat Treatment of Aircraft Engine Combustion Chamber Casings, Made of Precipitation-Hardened Heat- Resistant Chrome Nickel Alloys
P. D. Zhemanyuk, I. A. Petrik, О. V. Gnatenko, Y. А. Marchenko

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Electron beam age hardening at repair of combustion chamber made of heat-resistant chrome nickel alloys is studied. At replacing old flange with a new one (welded by electron beam) furnace heat treatment in terms of age hardening ...  read more

20140506-32
Composite Materials with Metal Matrix Condensed from Vapor Phase: Microporous Materials
Nicolay I. Grechanyuk, Igor N. Grechanyuk, Elena V. Khomenko, Andrey G. Melnik, Vera G. Grechanyuk

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The basic factors that affect the physical and mechanical properties of microporous material, pore volume and pore size therein. The main factors that affect the physical and mechanical properties of the microporous material, pore volume and pore size were evaluated.

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20140506-31
Composite Materials with Metal Matrix Condensed from Vapor Phase: Microlayer Materials
Nicolay I. Grechanyuk, Igor N. Grechanyuk, Elena V. Khomenko, Andrey G. Melnik, Vera G. Grechanyuk

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The problems of microlayer metal materials, obtained by condensation from vapor phase are discussed. Example of copper-molybdenum materials obtaining was first shown possibility to produce composites having a layer thickness ...  read more

20140506-30
Composite Materials with a Metal Matrix Condensed from Vapor Phase: Dispersion-Strengthened Metals
Nicolay I. Grechanyuk, Igor N. Grechanyuk, Elena V. Khomenko, Andrey G. Melnik, Vera G. Grechanyuk

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Modern scientific level of dispersion-strengthened metals condensed from the vapor phase engineering is presented. The physical and mechanical properties of these materials depend on selected matrix type (pure metal, metal ...  read more

20140506-29
Gas discharge electron sources – Proven and novel tools for thin-film technologies
Goesta Mattausch, Burkhard Zimmermann, Fred Fietzke, Jens-Peter Heinß, Benjamin Graffel, Falk Winckler, Frank-Holm Roegner, Christoph Metzner

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Gas discharge-based electron sources represent high-power and low-cost tools for a variety of processes regularly required in vacuum high-rate coating. Here, the fields of substrate pre-treatment, electron beam generation ...  read more

20160506-42
Resist characteristics simulation of HSQ electron beam resist
Anna Bencurova, Katia Vutova, Elena Koleva, Ivan Kostic, Anna Konecnikova, Adrian Ritomsky, Georgi Mladenov

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Hydrogen Silsesquioxane (HSQ) is used as a high-resolution resist with resolution down below 10 nm half-pitch. High-contrast and high-resolution patterning in the negative electron beam HSQ resist has numerous potential applications. ...  read more

20160506-41
Performance of the XR 1541 negative e-beam resist in the e-beam lithography for chosen substrate materials
Robert Andok, Jaroslava Skriniarova, Pavol Nemec, Anna Bencurova

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In this paper the negative HSQ (hydrogen silsesquioxane) XR 1541 electron beam resist is investigated in terms of its performance in the e-beam lithography for chosen substrate materials, namely for silicon, Ag on Si substrates, ...  read more