Glass for Memory Recording Media

Glass compositions include silica (SÍOz), alumina (Alea) and calcium oxide (CaO) as components and may optionally include lithium oxide (le0), magnesia (MgO), sodium oxide (Nazo), phosphorus oxide (P205), barium oxide (BaO), strontium oxide (SrO), Ban and other components. Glasses formed from the gl...

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Bibliographische Detailangaben
Hauptverfasser: LIPING XIONG SMITH, LISA ANN LAMBERSON, PETER JOSEPH LEZZI, MICHELLE DIANE PIERSON-STULL, ALEXANDER I. PRIVEN
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Glass compositions include silica (SÍOz), alumina (Alea) and calcium oxide (CaO) as components and may optionally include lithium oxide (le0), magnesia (MgO), sodium oxide (Nazo), phosphorus oxide (P205), barium oxide (BaO), strontium oxide (SrO), Ban and other components. Glasses formed from the glass compositions may be characterized by high specific modulus and a high temperature at which the glass has a viscosity of 160kP.