The effect of RO (R=Mg, Ca, Ba and Zn) on physical properties of Na2O/Al2O3/B2O3/SiO2 glasses for the preparation of gradient index micro lenses

Hornschuh, Sandra; Messerschmidt, Bernhard; Possner, Torsten; Possner, Ulf; Rüssel, Christian

doi:10.1016/j.jnoncrysol.2006.06.029

Cited by 7 publications

(5 citation statements)

References 21 publications

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“…Boroaluminosilicate glasses are technologically important due to their high mechanical strength and chemical durability and are widely used in various applications, which include optical communication, glass to metal seals, ion exchange materials, nuclear waste immobilization etc. [11][12][13][14][15].…”

Section: Introductionmentioning

confidence: 99%

Boroaluminosilicate glasses as ion exchange materials

Ramkumar

Chandramouleeswaran

Sudarsan

et al. 2010

Journal of Non-Crystalline Solids

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Section: Introductionmentioning

confidence: 99%

Boroaluminosilicate glasses as ion exchange materials

Ramkumar

Chandramouleeswaran

Sudarsan

et al. 2010

Journal of Non-Crystalline Solids

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“…Li 2 O inhibits phase separation in glass formed from alkali silica binary systems [16]. It has previously been reported that the degree of phase separation increased with decreasing glass viscosity [17] and that CaO decreased the viscosity of glass more than MgO did [18,19]. Thus, the…”

Section: Advanced Materials Research Vols 622-623mentioning

confidence: 93%

Control of Pore Size of High Purity Nanoporous Silica Formed from Volcanic Ash Deposit Shirasu

Sato

Kokubu

Nishioka

2012

AMR

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High purity nanoporous silica was fabricated using Shirasu volcanic ash as a starting material. The starting materials were placed into a platinum crucible and were melted at 1400°C. A mother glass was formed by quenching the melt in pure water. Leaching was performed by immersing the mother glass into an HCl solution. Nonsilica phases formed by phase separation in the mother glass were leached out with acid solution. The obtained porous silica was more than 99% pure and had pore size smaller than 2 nm. In order to control the pore size, post heat treatment was performed. The pore size could be controlled from 3.1 to 21.7 nm by changing the post treatment temperature.

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“…There have been several studies of the B 2 O 3 -SiO 2 -Al 2 O 3 glass system. [4][5][6][7] As recently reported, the properties of the glasses in the Na 2 O-Al 2 O 3 -B 2 O 3 -SiO 2 system are also strongly affected by the concentrations of the main glass components. 4 7) However, the relation between the network and structure of the glasses and their refractive index remains unclear, because previous studies were focused on the effect of the com-position on the individual properties.…”

Section: Introductionmentioning

confidence: 99%

Effect of Additives on the Refractive Index of B2O3-SiO2-Al2O3 Glasses for Photolithographic Process in Electronic Micro Devices

Won¹,

Hwang²,

Lee³

et al. 2010

Korean. J. Mater. Res.

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In fabricating plasma display panels, the photolithographic process is used to form patterns of barrier ribs with high accuracy and high aspect ratio. It is important in the photolithographic process to control the refractive index of the photosensitive paste. The composition of this paste for photolithography is based on the B 2 O 3 -SiO 2 -Al 2 O 3 glass system, including additives of alkali oxides and rare earth oxides. In this work, we investigated the density, structure and refractive index of glasses based on the B 2 O 3 -SiO 2 -Al 2 O 3 system with the addition of Li 2 O, K 2 O, Na 2 O, CaO, SrO, and MgO. The refractive index of the glasses containing K2O, Na2O and CaO was similar to that of the [BO3] fraction while that of the SrO, MgO and Li2O containing glasses were not correlated with the coordination fraction. The coordination number of the boron atoms was measured by MAS NMR. The refractive index increased with a decrease of molar volume due to the increase in the number of non-bridging oxygen atoms and the polarizability. The lowest refractive index (1.485) in this study was that of the B 2 O 3 -SiO 2 -Al 2 O 3 -K 2 O glass system due to the larger ionic radius of K + . Based on our results, it has been determined that the refractive index of the B 2 O 3 -SiO 2 -Al 2 O 3 system should be controlled by the addition of alkali oxides and alkali earth oxides for proper formation of the photosensitive paste.

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The effect of RO (R=Mg, Ca, Ba and Zn) on physical properties of Na2O/Al2O3/B2O3/SiO2 glasses for the preparation of gradient index micro lenses

Cited by 7 publications

References 21 publications

Boroaluminosilicate glasses as ion exchange materials

Boroaluminosilicate glasses as ion exchange materials

Control of Pore Size of High Purity Nanoporous Silica Formed from Volcanic Ash Deposit Shirasu

Effect of Additives on the Refractive Index of B2O3-SiO2-Al2O3 Glasses for Photolithographic Process in Electronic Micro Devices

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