发明名称 HIGH INTENSITY DISCHARGE LAMP WITH ULTRAVIOLET ABSORBING ENVELOPE
摘要 An electric arc discharge lamp having an arc discharge light source which emits both visible light radiation and UV radiation enclosed within a borosilicate glas s envelope having a transmission of greater than 90% at a wavelength of 425 nm and a transmission of not more than 40% of said UV radiation at 320 nm; 8% of said UV radiation at 300 nm; and 0.5% of said UV radiation at 290 nm; said borosilicate glass comprising, in weight percent: from about 3.89% Na2O; about 1.5% K2O; from 0.0% to about 0.15% Li2O; about 17% B2O3; about 1.4% Al2O3; about 0.6% CaO; about 0.35% MgO; abo ut 0.13% Fe2O3; and the balance SiO2.
申请公布号 CA2178852(C) 申请公布日期 2006.12.05
申请号 CA19962178852 申请日期 1996.06.12
申请人 OSRAM SYLVANIA INC. 发明人 MARLOR, RICHARD C.;BIDDULPH, R. BRUCE
分类号 H01J61/30;C03C3/091;C03C3/093;C03C4/08 主分类号 H01J61/30
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