| 发明名称 |
Electrical discharge lamp envelope |
| 摘要 |
A lamp envelope comprised of silica glass having a SiO2-B2O3 glass layer on an inner surface thereof is coated on the free surface of such SiO2-B2O3 glass layer with a protective layer comprised of a silica glass having a lower B2O3 amount relative to the B2O3 amount in the SiO2-B2O3 glass layer.
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| 申请公布号 |
US4360546(A) |
申请公布日期 |
1982.11.23 |
| 申请号 |
US19820363029 |
申请日期 |
1982.03.29 |
| 申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
SCHNEIDER, HARTMUT;GRABMAIER, JOSEF |
| 分类号 |
C03C17/02;C03C17/34;F21S13/02;H01J61/30;H01J61/35;(IPC1-7):B05D3/02;H01J7/00 |
主分类号 |
C03C17/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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