发明授权
US4521641A Solder glass and electrical device employing the same 失效
焊接玻璃和采用其的电气设备

Solder glass and electrical device employing the same
摘要:
A solder glass comprised of about 65 weight percent Sb.sub.2 O.sub.3 ; about 30 weight percent B.sub.2 O.sub.3 and about 5 weight percent V.sub.2 O.sub.5. The glass is black and extremely visible when employed as a molten seal in electrical devices such as tungsten-halogen lamps.
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