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    • 7. 发明申请
    • UV TRANSMITTING GLASSES
    • UV发送眼镜
    • WO2007001881A2
    • 2007-01-04
    • PCT/US2006023328
    • 2006-06-14
    • CORNING INCCORNELIUS LAUREN KELLISON ADAM J
    • CORNELIUS LAUREN KELLISON ADAM J
    • C03C6/02
    • C03C3/118C03C4/0085
    • The present invention relates to a boroaluminosilicate glass which exhibits excellent UV transmission. In particular, the present invention is directed at an alkali fluorine-doped boroaluminosilicate glass comprising, in mole percent on the oxide basis, of 30-80 % SiO 2 , 1-20 % Al 2 (O, F 2 ) 3 , 5-35 % B 2 O 3 , 5-20 % R 2 O, where R is Li, Na, K, Rb or Cs, and an amount of up to 12 % of F. The glass possesses an R/Al molar ratio of between 0.4 to 3 and an F/O molar ratio of no greater than 0.35. The alkali fluorine-doped boroaluminosilicate glass of the present invention exhibits a UV transmission at 300 nm, of greater than 80 %/mm.
    • 本发明涉及具有优异的UV透射性的硼铝硅酸盐玻璃。 具体而言,本发明涉及一种碱金属氟掺杂的硼铝硅酸盐玻璃,其以氧化物基准的摩尔百分比包含30-80%SiO 2,1-20%Al 2, (O,F 2 3 ,5-35%B 0 3 ,5 -20%R 2 SUB 0,其中R是Li,Na,K,Rb或Cs,并且其含量高达F的12%。该玻璃具有的R / Al摩尔比为0.4 至3,F / O摩尔比不大于0.35。 本发明的碱氟掺杂硼铝硅酸盐玻璃在300nm处显示出大于80%/ mm的UV透射率。