发明名称 |
Tungsten-halogen incandescent lamp containing additive to reduce filament sag |
摘要 |
Filament sag in tungsten-halogen lamps is significantly reduced by including within the envelope an additive selected from the group of bismuth, antimony and tellurium and combinations thereof.
|
申请公布号 |
US4422009(A) |
申请公布日期 |
1983.12.20 |
申请号 |
US19820372513 |
申请日期 |
1982.04.28 |
申请人 |
GTE PRODUCTS CORPORATION |
发明人 |
SHAFFER, JOHN W. |
分类号 |
H01K1/56;(IPC1-7):H01K1/62 |
主分类号 |
H01K1/56 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|