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    • 8. 发明授权
    • Long life halogen cycle incandescent lamp and glass envelope composition
    • 长寿命卤素循环白炽灯和玻璃信封组成
    • US06373193B1
    • 2002-04-16
    • US09508166
    • 2000-03-08
    • Richard C. MarlorKarin NaumannFranz OttOttmar Becker
    • Richard C. MarlorKarin NaumannFranz OttOttmar Becker
    • H01J6135
    • H01K1/50C03C3/087H01J61/302H01K1/34Y02B20/12Y02B20/125
    • A long life, halogen cycle, incandescent lamp (30) for operation in excess of 85 volts. The lamp comprises a transparent glass envelope (34) having sealed therewithin a tungsten filament (45); a pair of electrical lead-ins (42, 44) connecting the filament and extending exteriorly of the envelope for connection to a supply voltage greater than 100 V; and a fill gas within the envelope, including a halogen, at a pressure of at least three atmospheres. The envelope is constructed of a five component alkaline earth aluminosilicate glass having a composition consisting essentially of, in weight percent from >58 to about 64% SiO2, from about 14 to about 17% Al2O3; from 0 to about 1% B2O3, from 1 to about 6% MgO, from about 6 to about 12% CaO, from about 7 to about 17% BaO and from 0 to about 1.5% ZrO2.
    • 长寿命,卤素循环,超过85伏的白炽灯(30)。 所述灯包括在其中密封有钨丝(45)的透明玻璃外壳(34)。 连接灯丝并延伸到外壳外部的一对电引线(42,44),用于连接到大于100V的电源电压; 以及在至少三个大气压的压力下,在封套内的包括卤素的填充气体。 外壳由五组分碱土金属硅铝酸盐玻璃构成,其组成基本上由重量百分数从58至64%的SiO 2,约14至约17%的Al 2 O 3组成; 0至约1%的B 2 O 3,1至约6%的MgO,约6至约12%的CaO,约7至约17%的BaO和0至约1.5%的ZrO 2。