Phosphosilicate glass

Phosphosilicate glass, commonly referred to by the acronym PSG, is a silicate glass commonly used in semiconductor device fabrication for intermetal layers, i.e., insulating layers deposited between succeedingly higher metal or conducting layers, due to its effect in gettering alkali ions. Another common type of phosphosilicate glass is borophosphosilicate glass (BPSG).

Soda-lime phosphosilicate glasses also form the basis for bioactive glasses (e.g. Bioglass), a family of materials which chemically convert to mineralised bone (hydroxy-carbonate-apatite) in physiological fluid.

Bismuth doped phosphosilicate glasses are being explored for use as the active gain medium in fiber lasers for fiber-optic communication.[1]

References

Evgeny Dianov (16 September 2015). "Fiber for Fiber Lasers: Bismuth-doped optical fibers: Advances in an active laser media". Laser Focus World. Retrieved 24 September 2015.

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[LFW-1] Evgeny Dianov (16 September 2015). "Fiber for Fiber Lasers: Bismuth-doped optical fibers: Advances in an active laser media". Laser Focus World. Retrieved 24 September 2015.

Glass science topics
Basics	Glass Glass transition Supercooling
Formulation	AgInSbTe Bioglass Borophosphosilicate glass Borosilicate glass Ceramic glaze Chalcogenide glass Cobalt glass Cranberry glass Crown glass Flint glass Fluorosilicate glass Fused quartz GeSbTe Gold ruby glass Lead glass Milk glass Phosphosilicate glass Photochromic lens glass Silicate glass Soda–lime glass Sodium hexametaphosphate Soluble glass Tellurite glass Thoriated glass Ultra low expansion glass Uranium glass Vitreous enamel Wood's glass ZBLAN
Glass-ceramics	Bioactive glass CorningWare Glass-ceramic-to-metal seals Macor Zerodur
Preparation	Annealing Chemical vapor deposition Glass batch calculation Glass forming Glass melting Glass modeling Ion implantation Liquidus temperature sol–gel technique Viscosity Vitrification
Optics	Achromat Dispersion Gradient-index optics Hydrogen darkening Optical amplifier Optical fiber Optical lens design Photochromic lens Photosensitive glass Refraction Transparent materials
Surface modification	Anti-reflective coating Chemically strengthened glass Corrosion Dealkalization DNA microarray Hydrogen darkening Insulated glazing Porous glass Self-cleaning glass sol–gel technique Tempered glass
Diverse topics	Conservation and restoration of glass objects Glass-coated wire Safety glass Glass databases Glass electrode Glass fiber reinforced concrete Glass ionomer cement Glass microspheres Glass-reinforced plastic Glass cloth Glass-to-metal seal Porous glass Pre-preg Prince Rupert's drops Radioactive waste vitrification Windshield Glass fiber

Phosphosilicate glass

See also

References