Patent ID: 7470926

Claim:
A solid-state optical device, comprising: a solid-state element; a power supplying/retrieving portion on which the solid-state element is mounted, the power supplying/retrieving portion supplying or retrieving electric power to/from the solid-state element; and a glass sealing material that seals the solid-state element, wherein the glass sealing material has a thermal expansion coefficient equivalent to that of the power supplying/retrieving portion, and wherein the glass sealing material comprises a B 2 O 3 —SiO 2 —Na 2 O—ZnO—Nb 2 O 5 -based low-melting glass that comprises 19 to 30 wt % of B 2 O 3 , 0.5 to 15 wt % of SiO 2 , 1.5 to 8 wt % of Na 2 O, 44 to 60 wt % of ZnO, and 9 to 19 wt % of Nb 2 O 5 in weight %.