GLASS FRIT COMPOSITION FOR VACUUM WINDOW GLASS FRIT BAR AND VACUUM WINDOW USING THEREOF

摘要

The present invention relates to a glass frit composition for vacuum windows, a glass frit bar, and a vacuum window using the same, wherein the glass frit composition for vacuum windows is V 2 O 5 30 to 42 mol%, TeO 2 30 to 55 mol%, SiO 2 0 to 2 mol%, BaCO 3 1~20mol%, ZnO 0~15mol%, Al 2 O 3 , MgO, B 2 O 3 , Na 2 CO 3 , K 2 CO 3 , CaCO 3 , Cu 2 O 3 , Bi 2 O 3 and Li 2 CO 3 Contains 80 to 95% by weight of milk containing 1 to 7mol% of at least one additive, and 5 to 20% by weight of a low thermal expansion filler.