| 发明名称 |
Method of coating lamp envelope with heat reflecting filter |
| 摘要 |
A dichroic coating is deposited on a cylindrical lamp envelope from an evaporation source while the envelope is heated and rotated. The thickness of the coating is monitored by measuring the intensity of light beamed on and reflected from a flat plate in line of sight with the evaporation source.
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| 申请公布号 |
US4048347(A) |
申请公布日期 |
1977.09.13 |
| 申请号 |
US19760744556 |
申请日期 |
1976.11.24 |
| 申请人 |
GTE SYLVANIA INCORPORATED |
发明人 |
SCHRANK, MARTIN P.;COPPOLA, RICHARD M. |
| 分类号 |
C03C17/34;C23C14/54;H01K3/00;(IPC1-7):B05D5/06;B05D1/36 |
主分类号 |
C03C17/34 |
| 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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