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41.
Optical glass polished surface protection from environmental factors
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(At the enterprises and institutes)
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It was found that the processing of polished surfaces of optical parts made of silicate glass in hexamethyldisilazane vapor leads to the creation of a protective film that prevents the effects of the environment. ...
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42.
Thermal expansivity (at 130 ? 800 K) of borosilicate glasses applica-ble for coupling with silicon in microelectronics
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(At the enterprises and institutes)
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The results of processing measurements of the TLEC and relative elongation of borosilicate glasses of two grades are presented. LK5 and Borofloat 33. The thermomechanical analyzer TMA7100 was used to measure ...
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43.
Glass formation and crystallisation in lithium-alumosilicate glasses: effect of phosphorus, lithium and barium
oxides on crystallisation behaviour
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(Science for glass production)
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The effect of oxides of phosphorus, lithium and barium on the crystallization properties of lithium aluminum silicate glasses and the thermal properties of sitalls obtained on their basis is considered, ...
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44.
Glass formation and crystallisation in lithium-alumosilicate glasses: effect of raw materials nature on melting characteristics and crystallisation behaviour
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(Science for glass production)
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The influence of the type of silicon-containing raw material on silicate formation and crystallization properties of glasses of the lithium aluminum silicate system is considered and the expediency of ...
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45.
Optical characterisation of locally modified areas in quarziodine glass
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(Science for glass production)
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The focal length and numerical aperture of a modified region of a complex structure in the volume of a porous glass plate are estimated. It is shown that when sintering a porous glass plate with a modified ...
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46.
Physical-chemical and structural processes occurring at temperature treating of strontium - alumina - silica glasses
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(At the enterprises and institutes)
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The paper presents the results of a study of physicochemical and structural processes occurring during heat treatment of glasses of strontium aluminosilicate composition using synchronous thermal analysis, ...
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47.
Synthesis of optical quartz glass
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(Science for glass production)
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A method for the production of optical silica glass by the synthesis of monodisperse silica particles, their centrifugation, followed by supercritical drying and sintering of the porous material is described. ...
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48.
Equilibrium between copper oxide forms in color optical glass
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(Science for glass production)
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The formation of the equilibrium Cu (I) & harr; Cu (II) in colored optical glasses under the combined action of several factors. It is shown that the oxidation of copper increases with an increase in its ...
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49.
Nonlinear-optical systems K2O - Nb2O5 - SiO2 with low silica content
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(Science for glass production)
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... stages of phase separation are accompanied by the appearance of a noticeable quadratic optical nonlinearity in glasses, which can be used to create highly efficient electro-optical modulators by thermal ...
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50.
The nature of F-centers of silicate glass upon introduction of cerium and titanium oxides
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(Science for glass production)
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... Based on the measurement of optical transmission, photoluminescence, and XPS data for the composition used for the manufacture of light filters, it is assumed that titanium is predominantly in the form ...
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51.
Electron paramagnetic resonance of V4+ ions in lanthanum-aluminosilicate glass
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(Science for glass production)
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The EPR and optical absorption spectra of V 4+ ions and their relationship with the structural features of glasses of the La 2 O 3 - Al 2 < / sup> O 3 - SiO 2 . Three characteristic ranges of ...
