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US 4,060,422 AGranted
Sealing glass for glass laser
AssigneeHoya Corporation
InventorYoshiyuki Asahara
Life of this patent
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Abstract
A sealing glass for a glass laser having a composition comprising 45 to 65% by mole P.sub.2 O.sub.5, 15 to 35% by mole ZnO, 5 to 25% by mole PbO, 4 to 12% by mole Li.sub.2 O, 1 to 4% by mole Al.sub.2 O.sub.3, 0 to 7% by mole Sb.sub.2 O.sub.3, 0 to 5% by mole Ag.sub.2 O, and 2.0 to 10% by mole V.sub.2 O.sub.5, and having a low refractive index and capable of absorbing infrared rays.
Claims1
A sealing glass for a glass laser comprising, in mole percent, 45 to 65% P.sub.2 O.sub.5, 15 to 35% ZnO, 5 to 25% PbO, 4 to 12% Li.sub.2 O, 1 to 4% Al.sub.2 O.sub.3, 0 to 7% Sb.sub.2 O.sub.3, 0 to 5% Ag.sub.2 O, and 2.0 to 10% V.sub.2 O.sub.5.
Dependencies are inferred from the claim text.