| 发明名称 |
INCANDESCENT BULB, FILAMENT, AND METHOD FOR MANUFACTURING FILAMENT |
| 摘要 |
An object of the present invention is to provide a filament showing improved conversion efficiency with a simple configuration. According to the present invention, surface of a filament material processed into a predetermined shape is processed into a mirror surface by mechanical polishing, and surface roughness (center line average roughness Ra) thereof is thereby made to be 1 μm or smaller. Reflectance of the filament can be thereby improved, and emissivity of the filament for lights of the infrared wavelength region can be suppressed. |
| 申请公布号 |
US2014292188(A1) |
申请公布日期 |
2014.10.02 |
| 申请号 |
US201214354557 |
申请日期 |
2012.10.24 |
| 申请人 |
STANLEY ELECTRIC CO., LTD. |
发明人 |
Matsumoto Takahiro |
| 分类号 |
H01K1/02;H01K3/02;H01K1/40 |
主分类号 |
H01K1/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An incandescent light bulb comprising:
a translucent gastight container, a filament disposed in the translucent gastight container, and a lead wire for supplying an electric current to the filament, wherein a surface of the filament is polished into a mirror surface. |
| 地址 |
Meguro-ku, Tokyo JP |
