GLASS FOR SUBSTRATE

PROBLEM TO BE SOLVED: To obtain glass for substrates, having a low density of =570 deg.C, having a thermal expansion coefficient of 75-95×10 / deg.C, high in volume resistivity in comparison with soda-lime glass, and excellent in chemical durability. SOLUTION: This glass for substrates has a composi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MIWA YOSHIHARU, WAKAGI JUNZO, ASAHI KAZUHIKO
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To obtain glass for substrates, having a low density of =570 deg.C, having a thermal expansion coefficient of 75-95×10 / deg.C, high in volume resistivity in comparison with soda-lime glass, and excellent in chemical durability. SOLUTION: This glass for substrates has a composition comprising 50-65wt.% of SiO2 , 1-15wt.% of Al2 O3 , 4.5-13wt.% of SrO,