| 发明名称 |
Lead-free amber-colored electric lamp |
| 摘要 |
The invention relates to electric lamps and more particularly to automotive signal lamps. Lead-free, cadmium-free, sulfate-refined glass compositions are described for use in electric lamps, which glass is amber colored and comprises no toxic or forbidden components which could be harmful to the environment such as lead oxide, antimony oxide, selenium or cadmium.
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| 申请公布号 |
US6744207(B2) |
申请公布日期 |
2004.06.01 |
| 申请号 |
US20010011988 |
申请日期 |
2001.12.04 |
| 申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
发明人 |
ULENAERS HUBERTINA MARIA PETRA;VAN DE VELDE CORNELIS JACOB;KRIJNEN SIMON |
| 分类号 |
C03C3/078;C03C3/087;C03C3/091;C03C4/02;H01J61/00;H01K1/28;H01K1/32;H01K7/00;(IPC1-7):H01J17/16;H01J61/35 |
主分类号 |
C03C3/078 |
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