TiO2 colloid / LDHs clay nanocomposites, prepared by direct coprecipitation method, were used as photocatalysts in the reaction of (3-(4-chlorophenyl)-1,1-dimethylurea) and 4-chlorophenol decomposition in water. ...
TiO2 colloid / LDHs clay nanocomposites, prepared by direct coprecipitation method, were used as photocatalysts in the reaction of (3-(4-chlorophenyl)-1,1-dimethylurea) and 4-chlorophenol decomposition in water. ...
This contribution focuses on a detailed investigation of polymerization/crosslinking process, either induced by UV radiation (λ = 365 nm), or by electron beam exposure of polypropyleneglycoldiacrylate monomers, in conjunction ...
In the paper is presented a technological cluster for mask less e-beam lithography (ML2) and metrology for fast non destructive defect inspection and review, and for CD, 2D and 3D measurement.
The cluster potentialities comply ...
In this paper the contrast and sensitivity characteristics are investigated concerning the negative tone electron beam resist HSQ (hydrogen silsesquioxane) and the positive tone SML300 electron beam organic resist, designed ...
The results of coatings properties investigations, made by electron beam and gas powder cladding process and technological demands as well, are presented in the article.
В работата са представени ...
Electron beam machines with the plasma cathode guns are presented. All machines possess high extent of automation. The high-voltage source has effective protection against breakdowns and small time of restoration. Machines ...
Electron-optical characteristics of electron beams generated in sources of two types are considered. One of these sources is based on reflected hollow cathode discharge and the other one rests on a modified reflected discharge. ...
The work is devoted to exploring the determining possibilities of the high-power technology electron beams parameters by the beam glow image on the residual gases in the vacuum chamber. Digital camera is used to make images in the visible spectrum.
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In this article defining of the time of current increasing in triode high voltage glow discharge electron guns for investigation its technological possibilities is considered. Provided analyse is based on calculation the parameters ...
A plasma cathode electron beam (EB) gun is presented in this work. A radio frequency (RF) excited plasma at 84 MHz was used as the electron source to produce a beam power of up to 3.2 kW at -60 kV accelerating voltage. The ...