| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide optical glass hardly generating fogging on the surface of a lens. <P>SOLUTION: The optical glass includes, by mass%, 35-60% SiO<SB>2</SB>, 1-20% B<SB>2</SB>O<SB>3</SB>, 0.1-12% Li<SB>2</SB>O and 0.0001% or more and less than 0.1% Sb<SB>2</SB>O<SB>3</SB>. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
