| 发明名称 |
Method for increasing the life of a tungsten filament for an incandescent lamp. |
| 摘要 |
<p>The life and stability of tungsten filaments are improved by pre-incandescing the filaments in an atmosphere containing WF6. The burning procedure effects hot spot repair of the filaments by deposition of tungsten thereon.</p> |
| 申请公布号 |
EP0092109(A2) |
申请公布日期 |
1983.10.26 |
| 申请号 |
EP19830103368 |
申请日期 |
1983.04.06 |
| 申请人 |
GTE PRODUCTS CORPORATION |
发明人 |
SHAFFER, JOHN W. |
| 分类号 |
H01K3/02;H01K3/00;(IPC1-7):01K3/02 |
主分类号 |
H01K3/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
