HIGH REFRACTIVE INDEX GLASS

PROBLEM TO BE SOLVED: To provide a high refractive index glass with a high liquid phase viscosity without containing a large amount of expensive heavy metal.SOLUTION: This high refractive index glass is characterized by containing, as a glass composition, 30-80% of SiO+AlO+BO, 0.1-20% of BO+ZnO, and...

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Bibliographische Detailangaben
Hauptverfasser:	YANASE TOMOMOTO, MUSHIAKE ATSUSHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL SEMICONDUCTOR DEVICES SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a high refractive index glass with a high liquid phase viscosity without containing a large amount of expensive heavy metal.SOLUTION: This high refractive index glass is characterized by containing, as a glass composition, 30-80% of SiO+AlO+BO, 0.1-20% of BO+ZnO, and 3-20% of TiO+ZrOwith the refractive index (n) being 1.55 to 1.70. 【課題】高価な重金属を多量に含まなくても、液相粘度が高い高屈折率ガラスを創案する。【解決手段】本発明の高屈折率ガラスは、ガラス組成として、質量％で、ＳｉＯ２＋Ａｌ２Ｏ３＋Ｂ２Ｏ３３０〜８０％、Ｂ２Ｏ３＋ＺｎＯ０．１〜２０％、ＴｉＯ２＋ＺｒＯ２３〜２０％を含有し、且つ屈折率ｎｄが１．５５〜１．７０であることを特徴とする。【選択図】なし