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GLASS COMPOSITION, PROTECTIVE LAYER COMPOSITION, BINDER COMPOSITION, GLASS TUBE FOR FLUORESCENT LAMP, FLUORESCENT LAMP, OUTER TUBE FOR HIGH-LUMINANCE DISCHARGE LAMP AND HIGH-LUMINANCE DISCHARGE LAMP
GLASS COMPOSITION, PROTECTIVE LAYER COMPOSITION, BINDER COMPOSITION, GLASS TUBE FOR FLUORESCENT LAMP, FLUORESCENT LAMP, OUTER TUBE FOR HIGH-LUMINANCE DISCHARGE LAMP AND HIGH-LUMINANCE DISCHARGE LAMP
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机译:玻璃成分,保护层成分,粘合剂成分,荧光灯用玻璃管,荧光灯,高亮度放电灯和高亮度放电灯的外管
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摘要
PROBLEM TO BE SOLVED: To improve luminous efficiency of a lamp, in a lamp such as a phosphor lamp and an HID.;SOLUTION: This glass composition of a glass tube 11 is similar to that of general soda glass in its basic composition and contains, in addition to the basic composition, a first rare-earth oxide selected from a first group comprising gadolinium oxide (Gd2O3), terbium oxide (Tb2O3) and praseodymium oxide (Pr2O3), and a second rare-earth oxide selected from a second group comprising europium oxide (Eu2O3), terbium oxide (Tb2O3), dysprosium oxide (Dy2O3) and neodymium oxide (Nd2O3), respectively in a range of 0.01-30 wt.%.;COPYRIGHT: (C)2003,JPO
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